中国DOS联盟

matlab应用程序100例
1-32是：图形应用篇

33-66是：界面设计篇

67-84是：图形处理篇

85-100是：数值分析篇

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实例1：三角函数曲线（1）

function shili01
h0=figure('toolbar','none',...
'position',,...
'name','实例01');
h1=axes('parent',h0,...
'visible','off');
x=-pi:0.05:pi;
y=sin(x);
plot(x,y);
xlabel('自变量X');
ylabel('函数值Y');
title('SIN( )函数曲线');
grid on

实例2：三角函数曲线（2）

function shili02
h0=figure('toolbar','none',...
'position',,...
'name','实例02');
x=-pi:0.05:pi;
y=sin(x)+cos(x);
plot(x,y,'-*r','linewidth',1);
grid on
xlabel('自变量X');
ylabel('函数值Y');
title('三角函数');
实例3：图形的叠加

function shili03
h0=figure('toolbar','none',...
'position',,...
'name','实例03');
x=-pi:0.05:pi;
y1=sin(x);
y2=cos(x);
plot(x,y1,...
'-*r',...
x,y2,...
'--og');
grid on
xlabel('自变量X');
ylabel('函数值Y');
title('三角函数');
实例4：双y轴图形的绘制

function shili04
h0=figure('toolbar','none',...
'position',,...
'name','实例04');
x=0:900;a=1000;b=0.005;
y1=2*x;
y2=cos(b*x);
=plotyy(x,y1,x,y2,'semilogy','plot');
axes(haxes(1))
ylabel('semilog plot');
axes(haxes(2))
ylabel('linear plot');
实例5：单个轴窗口显示多个图形

function shili05
h0=figure('toolbar','none',...
'position',,...
'name','实例05');
t=0:pi/10:2*pi;
=meshgrid(t);
subplot(2,2,1)
plot(sin(t),cos(t))
axis equal

subplot(2,2,2)
z=sin(x)-cos(y);
plot(t,z)
axis()

subplot(2,2,3)
h=sin(x)+cos(y);
plot(t,h)
axis()

subplot(2,2,4)
g=(sin(x).^2)-(cos(y).^2);
plot(t,g)
axis()
实例6：图形标注

function shili06
h0=figure('toolbar','none',...
'position',,...
'name','实例06');
t=0:pi/10:2*pi;
h=plot(t,sin(t));
xlabel('t=0到2\pi','fontsize',16);
ylabel('sin(t)','fontsize',16);
title('\it{从 0to2\pi 的正弦曲线}','fontsize',16)
x=get(h,'xdata');
y=get(h,'ydata');
imin=find(min(y)==y);
imax=find(max(y)==y);
text(x(imin),y(imin),...
,...
'fontsize',16)
text(x(imax),y(imax),...
,...
'fontsize',16)

实例7：条形图形

function shili07
h0=figure('toolbar','none',...
'position',,...
'name','实例07');
tiao1=;
tiao2=;
t=0:7;
bar(t,tiao1)
xlabel('X轴');
ylabel('TIAO1值');
h1=gca;
h2=axes('position',get(h1,'position'));
plot(t,tiao2,'linewidth',3)
set(h2,'yaxislocation','right','color','none','xticklabel',)
实例8：区域图形

function shili08
h0=figure('toolbar','none',...
'position',,...
'name','实例08');
x=91:95;
profits1=;
profits2=;
profits3=;
profits4=;
area(x,profits1,'facecolor',,...
'edgecolor','b',...
'linewidth',3)
hold on
area(x,profits2,'facecolor',,...
'edgecolor','y',...
'linewidth',3)
hold on
area(x,profits3,'facecolor',,...
'edgecolor','r',...
'linewidth',3)
hold on
area(x,profits4,'facecolor',,...
'edgecolor','m',...
'linewidth',3)
hold off
set(gca,'xtick',)
set(gca,'layer','top')
gtext('\leftarrow第一季度销量')
gtext('\leftarrow第二季度销量')
gtext('\leftarrow第三季度销量')
gtext('\leftarrow第四季度销量')
xlabel('年','fontsize',16);
ylabel('销售量','fontsize',16);
实例9：饼图的绘制

function shili09
h0=figure('toolbar','none',...
'position',,...
'name','实例09');
t=



;
x=sum(t);
h=pie(x);
textobjs=findobj(h,'type','text');
str1=get(textobjs,{'string'});
val1=get(textobjs,{'extent'});
oldext=cat(1,val1{:});
names={'商品一：';'商品二：';'商品三：'};
str2=strcat(names,str1);
set(textobjs,{'string'},str2)
val2=get(textobjs,{'extent'});
newext=cat(1,val2{:});
offset=sign(oldext(:,1)).*(newext(:,3)-oldext(:,3))/2;
pos=get(textobjs,{'position'});
textpos=cat(1,pos{:});
textpos(:,1)=textpos(:,1)+offset;
set(textobjs,{'position'},num2cell(textpos,))
实例10：阶梯图

function shili10
h0=figure('toolbar','none',...
'position',,...
'name','实例10');
a=0.01;
b=0.5;
t=0:10;
f=exp(-a*t).*sin(b*t);
stairs(t,f)
hold on
plot(t,f,':*')
hold off
glabel='函数e^{-(\alpha*t)}sin\beta*t的阶梯图';
gtext(glabel,'fontsize',16)
xlabel('t=0:10','fontsize',16)
axis()
实例11：枝干图

function shili11
h0=figure('toolbar','none',...
'position',,...
'name','实例11');
x=0:pi/20:2*pi;
y1=sin(x);
y2=cos(x);
h1=stem(x,y1+y2);
hold on
h2=plot(x,y1,'^r',x,y2,'*g');
hold off
h3=;
legend(h3,'y1+y2','y1=sin(x)','y2=cos(x)')
xlabel('自变量X');
ylabel('函数值Y');
title('正弦函数与余弦函数的线性组合');
实例12：罗盘图

function shili12
h0=figure('toolbar','none',...
'position',,...
'name','实例12');
winddirection=

;
windpower=

;
rdirection=winddirection*pi/180;
=pol2cart(rdirection,windpower);
compass(x,y);
desc={'风向和风力',
'北京气象台',
'10月1日0：00到',
'10月1日12：00'};
gtext(desc)
实例13：轮廓图

function shili13
h0=figure('toolbar','none',...
'position',,...
'name','实例13');
=meshgrid((0:10:360)*pi/180,0:0.05:1);
=pol2cart(th,r);
z=x+i*y;
f=(z.^4-1).^(0.25);
contour(x,y,abs(f),20)
axis equal
xlabel('实部','fontsize',16);
ylabel('虚部','fontsize',16);
h=polar(,);
delete(h)
hold on
contour(x,y,abs(f),20)
实例14：交互式图形

function shili14
h0=figure('toolbar','none',...
'position',,...
'name','实例14');
axis();
hold on
x=;
y=;
n=0;
disp('单击鼠标左键点取需要的点');
disp('单击鼠标右键点取最后一个点');
but=1;
while but==1
=ginput(1);
plot(xi,yi,'bo')
n=n+1;
disp('单击鼠标左键点取下一个点');
x(n,1)=xi;
y(n,1)=yi;
end
t=1:n;
ts=1:0.1:n;
xs=spline(t,x,ts);
ys=spline(t,y,ts);
plot(xs,ys,'r-');
hold off
实例14：交互式图形

function shili14
h0=figure('toolbar','none',...
'position',,...
'name','实例14');
axis();
hold on
x=;
y=;
n=0;
disp('单击鼠标左键点取需要的点');
disp('单击鼠标右键点取最后一个点');
but=1;
while but==1
=ginput(1);
plot(xi,yi,'bo')
n=n+1;
disp('单击鼠标左键点取下一个点');
x(n,1)=xi;
y(n,1)=yi;
end
t=1:n;
ts=1:0.1:n;
xs=spline(t,x,ts);
ys=spline(t,y,ts);
plot(xs,ys,'r-');
hold off
实例15：变换的傅立叶函数曲线

function shili15
h0=figure('toolbar','none',...
'position',,...
'name','实例15');
axis equal
m=moviein(20,gcf);
set(gca,'nextplot','replacechildren')
h=uicontrol('style','slider','position',...
,'min',1,'max',20)
for j=1:20
plot(fft(eye(j+16)))
set(h,'value',j)
m(:,j)=getframe(gcf);
end
clf;
axes('position',);
movie(m,30)
实例16：劳伦兹非线形方程的无序活动

function shili15
h0=figure('toolbar','none',...
'position',,...
'name','实例15');
axis equal
m=moviein(20,gcf);
set(gca,'nextplot','replacechildren')
h=uicontrol('style','slider','position',...
,'min',1,'max',20)
for j=1:20
plot(fft(eye(j+16)))
set(h,'value',j)
m(:,j)=getframe(gcf);
end
clf;
axes('position',);
movie(m,30)
实例17：填充图

function shili17
h0=figure('toolbar','none',...
'position',,...
'name','实例17');
t=(1:2:15)*pi/8;
x=sin(t);
y=cos(t);
fill(x,y,'r')
axis square off
text(0,0,'STOP',...
'color',,...
'fontsize',50,...
'horizontalalignment','center')
例18：条形图和阶梯形图

function shili18
h0=figure('toolbar','none',...
'position',,...
'name','实例18');
subplot(2,2,1)
x=-3:0.2:3;
y=exp(-x.*x);
bar(x,y)
title('2-D Bar Chart')

subplot(2,2,2)
x=-3:0.2:3;
y=exp(-x.*x);
bar3(x,y,'r')
title('3-D Bar Chart')

subplot(2,2,3)
x=-3:0.2:3;
y=exp(-x.*x);
stairs(x,y)
title('Stair Chart')

subplot(2,2,4)
x=-3:0.2:3;
y=exp(-x.*x);
barh(x,y)
title('Horizontal Bar Chart')
实例19：三维曲线图

function shili19
h0=figure('toolbar','none',...
'position',,...
'name','实例19');
subplot(2,1,1)
x=linspace(0,2*pi);
y1=sin(x);
y2=cos(x);
y3=sin(x)+cos(x);
z1=zeros(size(x));
z2=0.5*z1;
z3=z1;
plot3(x,y1,z1,x,y2,z2,x,y3,z3)
grid on
xlabel('X轴');
ylabel('Y轴');
zlabel('Z轴');
title('Figure1:3-D Plot')

subplot(2,1,2)
x=linspace(0,2*pi);
y1=sin(x);
y2=cos(x);
y3=sin(x)+cos(x);
z1=zeros(size(x));
z2=0.5*z1;
z3=z1;
plot3(x,z1,y1,x,z2,y2,x,z3,y3)
grid on
xlabel('X轴');
ylabel('Y轴');
zlabel('Z轴');
title('Figure2:3-D Plot')
实例20：图形的隐藏属性

function shili20
h0=figure('toolbar','none',...
'position',,...
'name','实例20');
subplot(1,2,1)
=sphere(10);
mesh(x,y,z)
axis off
title('Figure1:Opaque')
hidden on

subplot(1,2,2)
=sphere(10);
mesh(x,y,z)
axis off
title('Figure2:Transparent')
hidden off
实例21PEAKS函数曲线

function shili21
h0=figure('toolbar','none',...
'position',,...
'name','实例21');
=peaks(30);
subplot(2,1,1)
x=x(1,:);
y=y(:,1);
i=find(y>0.8&y<1.2);
j=find(x>-0.6&x<0.5);
z(i,j)=nan*z(i,j);
surfc(x,y,z)
xlabel('X轴');
ylabel('Y轴');
zlabel('Z轴');
title('Figure1:surfc函数形成的曲面')

subplot(2,1,2)
x=x(1,:);
y=y(:,1);
i=find(y>0.8&y<1.2);
j=find(x>-0.6&x<0.5);
z(i,j)=nan*z(i,j);
surfl(x,y,z)
xlabel('X轴');
ylabel('Y轴');
zlabel('Z轴');
title('Figure2:surfl函数形成的曲面')
实例22：片状图

function shili22
h0=figure('toolbar','none',...
'position',,...
'name','实例22');
subplot(1,2,1)
x=rand(1,20);
y=rand(1,20);
z=peaks(x,y*pi);
t=delaunay(x,y);
trimesh(t,x,y,z)
hidden off
title('Figure1:Triangular Surface Plot');

subplot(1,2,2)
x=rand(1,20);
y=rand(1,20);
z=peaks(x,y*pi);
t=delaunay(x,y);
trisurf(t,x,y,z)
title('Figure1:Triangular Surface Plot');
实例23：视角的调整

function shili23
h0=figure('toolbar','none',...
'position',,...
'name','实例23');
x=-5:0.5:5;
=meshgrid(x);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
subplot(2,2,1)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure1')
view(-37.5,30)

subplot(2,2,2)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure2')
view(-37.5+90,30)

subplot(2,2,3)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure3')
view(-37.5,60)

subplot(2,2,4)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure4')
view(180,0)
实例24：向量场的绘制

function shili24
h0=figure('toolbar','none',...
'position',,...
'name','实例24');
subplot(2,2,1)
z=peaks;
ribbon(z)
title('Figure1')

subplot(2,2,2)
=peaks(15);
=gradient(z,0.5,0.5);
contour(x,y,z,10)
hold on
quiver(x,y,dx,dy)
hold off
title('Figure2')

subplot(2,2,3)
=peaks(15);
=surfnorm(x,y,z);
surf(x,y,z)
hold on
quiver3(x,y,z,nx,ny,nz)
hold off
title('Figure3')

subplot(2,2,4)
x=rand(3,5);
y=rand(3,5);
z=rand(3,5);
c=rand(3,5);
fill3(x,y,z,c)
grid on
title('Figure4')
实例25：灯光定位

function shili25
h0=figure('toolbar','none',...
'position',,...
'name','实例25');
vert=


;
fac=

;
grid off
sphere(36)
h=findobj('type','surface');
set(h,'facelighting','phong',...
'facecolor',...
'interp',...
'edgecolor',,...
'backfacelighting',...
'lit')
hold on
patch('faces',fac,'vertices',vert,...
'facecolor','y');
light('position',);
light('position',);
material shiny
axis vis3d off
hold off
实例26：柱状图

function shili26
h0=figure('toolbar','none',...
'position',,...
'name','实例26');
subplot(2,1,1)
x=



;
bar(x)
xlabel('X轴');
ylabel('Y轴');
title('第一子图');

subplot(2,1,2)
y=



;
barh(y)
xlabel('X轴');
ylabel('Y轴');
title('第二子图');
实例27：设置照明方式

function shili27
h0=figure('toolbar','none',...
'position',,...
'name','实例27');
subplot(2,2,1)
sphere
shading flat
camlight left
camlight right
lighting flat
colorbar
axis off
title('Figure1')

subplot(2,2,2)
sphere
shading flat
camlight left
camlight right
lighting gouraud
colorbar
axis off
title('Figure2')

subplot(2,2,3)
sphere
shading interp
camlight right
camlight left
lighting phong
colorbar
axis off
title('Figure3')

subplot(2,2,4)
sphere
shading flat
camlight left
camlight right
lighting none
colorbar
axis off
title('Figure4')
实例28：羽状图

function shili28
h0=figure('toolbar','none',...
'position',,...
'name','实例28');
subplot(2,1,1)
alpha=90:-10:0;
r=ones(size(alpha));
m=alpha*pi/180;
n=r*10;
=pol2cart(m,n);
feather(u,v)
title('羽状图')
axis()

subplot(2,1,2)
t=0:0.5:10;
x=0.05+i;
y=exp(-x*t);
feather(y)
title('复数矩阵的羽状图')
实例29：立体透视（1）

function shili29
h0=figure('toolbar','none',...
'position',,...
'name','实例29');
=meshgrid(-2:0.1:2,...
-2:0.1:2,...
-2:0.1:2);
v=x.*exp(-x.^2-y.^2-z.^2);
grid on
for i=-2:0.5:2;
h1=surf(linspace(-2,2,20),...
linspace(-2,2,20),...
zeros(20)+i);
rotate(h1,,30)
dx=get(h1,'xdata');
dy=get(h1,'ydata');
dz=get(h1,'zdata');
delete(h1)
slice(x,y,z,v,,2,-2)
hold on
slice(x,y,z,v,dx,dy,dz)
hold off
axis tight
view(-5,10)
drawnow
end
实例30：立体透视（2）

function shili30
h0=figure('toolbar','none',...
'position',,...
'name','实例30');
=meshgrid(-2:0.1:2,...
-2:0.1:2,...
-2:0.1:2);
v=x.*exp(-x.^2-y.^2-z.^2);
=cylinder;
slice(x,y,z,v,,2,-2)
for i=-2:0.2:2
h=surface(dx+i,dy,dz);
rotate(h,,90)
xp=get(h,'xdata');
yp=get(h,'ydata');
zp=get(h,'zdata');
delete(h)
hold on
hs=slice(x,y,z,v,xp,yp,zp);
axis tight
xlim()
view(-10,35)
drawnow
delete(hs)
hold off
end
实例31：表面图形

function shili31
h0=figure('toolbar','none',...
'position',,...
'name','实例31');
subplot(1,2,1)
x=rand(100,1)*16-8;
y=rand(100,1)*16-8;
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
xlin=linspace(min(x),max(x),33);
ylin=linspace(min(y),max(y),33);
=meshgrid(xlin,ylin);
Z=griddata(x,y,z,X,Y,'cubic');
mesh(X,Y,Z)
axis tight
hold on
plot3(x,y,z,'.','Markersize',20)

subplot(1,2,2)
k=5;
n=2^k-1;
theta=pi*(-n:2:n)/n;
phi=(pi/2)*(-n:2:n)'/n;
X=cos(phi)*cos(theta);
Y=cos(phi)*sin(theta);
Z=sin(phi)*ones(size(theta));
colormap()
C=hadamard(2^k);
surf(X,Y,Z,C)
axis square
实例32：沿曲线移动的小球

h0=figure('toolbar','none',...
'position',,...
'name','实例32');
h1=axes('parent',h0,...
'position',,...
'visible','on');
t=0:pi/24:4*pi;
y=sin(t);
plot(t,y,'b')
n=length(t);
h=line('color',,...
'linestyle','.',...
'markersize',25,...
'erasemode','xor');
k1=uicontrol('parent',h0,...
'style','pushbutton',...
'position',,...
'string','开始',...
'callback',
















);
k2=uicontrol('parent',h0,...
'style','pushbutton',...
'position',,...
'string','停止',...
'callback',





);
k3=uicontrol('parent',h0,...
'style','pushbutton',...
'position',,...
'string','关闭',...
'callback','close');
e1=uicontrol('parent',h0,...
'style','edit',...
'position',);
t1=uicontrol('parent',h0,...
'style','text',...
'string','循环次数',...
'position',);
e2=uicontrol('parent',h0,...
'style','edit',...
'position',);
t2=uicontrol('parent',h0,...
'style','text',...
'string','终点的X坐标值',...
'position',);
e3=uicontrol('parent',h0,...
'style','edit',...
'position',);
t3=uicontrol('parent',h0,...
'style','text',...
'string','终点的Y坐标值',...
'position',);
实例33：曲线转换按钮

h0=figure('toolbar','none',...
'position',,...
'name','实例33');
x=0:0.5:2*pi;
y=sin(x);
h=plot(x,y);
grid on
huidiao=















;
hm=uicontrol(gcf,'style','pushbutton',...
'string','余弦函数',...
'callback',huidiao);
i=1;
set(hm,'position',);
set(gca,'position',)
title('按钮的使用')
hold on
实例34：栅格控制按钮

h0=figure('toolbar','none',...
'position',,...
'name','实例34');
x=0:0.5:2*pi;
y=sin(x);
plot(x,y)
huidiao1=


;
huidiao2=


;
h_toggle1=uicontrol(gcf,'style','togglebutton',...
'string','grid on',...
'value',0,...
'position',,...
'callback',huidiao1);

h_toggle2=uicontrol(gcf,'style','togglebutton',...
'string','grid off',...
'value',0,...
'position',,...
'callback',huidiao2);
set(gca,'position',)
title('开关按钮的使用')
实例35：编辑框的使用

h0=figure('toolbar','none',...
'position',,...
'name','实例35');
f='Please input the letter';
huidiao1=


;
huidiao2=


;
h1_edit=uicontrol(gcf,'style','edit',...
'position',,...
'HorizontalAlignment','left',...
'string','Please input the letter',...
'callback','f=get(h1_edit,''string'');',...
'background','w',...
'max',5,...
'min',1);
h2_edit=uicontrol(gcf,'style','edit',...
'HorizontalAlignment','left',...
'position',,...
'background','w',...
'max',5,...
'min',1);
h1_button=uicontrol(gcf,'style','pushbutton',...
'string','小写变大写',...
'position',,...
'callback',huidiao1);
h2_button=uicontrol(gcf,'style','pushbutton',...
'string','大写变小写',...
'position',,...
'callback',huidiao2);
实例36：弹出式菜单

h0=figure('toolbar','none',...
'position',,...
'name','实例36');
x=0:0.5:2*pi;
y=sin(x);
h=plot(x,y);
grid on
hm=uicontrol(gcf,'style','popupmenu',...
'string',...
'sin(x)|cos(x)|sin(x)+cos(x)|exp(-sin(x))',...
'position',);
set(hm,'value',1)
huidiao=






















;
set(hm,'callback',huidiao)
set(gca,'position',)
title('弹出式菜单的使用')
实例37：滑标的使用

h0=figure('toolbar','none',...
'position',,...
'name','实例37');
=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
h0=mesh(x,y,z);
h1=axes('position',...
,...
'visible','off');
htext=uicontrol(gcf,...
'units','points',...
'position',,...
'string','brightness',...
'style','text');
hslider=uicontrol(gcf,...
'units','points',...
'position',,...
'min',-1,...
'max',1,...
'style','slider',...
'callback',...
'brighten(get(hslider,''value''))');
实例38：多选菜单

h0=figure('toolbar','none',...
'position',,...
'name','实例38');
=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
h0=mesh(x,y,z);
hlist=uicontrol(gcf,'style','listbox',...
'string','default|spring|summer|autumn|winter',...
'max',5,...
'min',1,...
'position',,...
'callback',












);
实例39：菜单控制的使用

h0=figure('toolbar','none',...
'position',,...
'name','实例39');
x=0:0.5:2*pi;
y=cos(x);
h=plot(x,y);
grid on
set(gcf,'toolbar','none')
hm=uimenu('label','example');
huidiao1=


;
huidiao2=


;
hm_gridon=uimenu(hm,'label','grid on',...
'checked','on',...
'callback',huidiao1);
hm_gridoff=uimenu(hm,'label','grid off',...
'checked','off',...
'callback',huidiao2);
实例40：UIMENU菜单的应用

h0=figure('toolbar','none',...
'position',,...
'name','实例40');
h1=uimenu(gcf,'label','函数');
h11=uimenu(h1,'label','轮廓图',...
'callback',


=peaks;,',...
'contour3(x,y,z,30)']);
h12=uimenu(h1,'label','高斯分布',...
'callback',



);
h13=uimenu(h1,'label','Sinc函数',...
'callback',


=meshgrid(-8:0.5:8);,',...
'r=sqrt(x.^2+y.^2)+eps;,',...
'z=sin(r)./r;,',...
'mesh(x,y,z)']);
h2=uimenu(gcf,'label','色彩');
hl2(1)=uimenu(h2,'label','Default',...
'checked','on',...
'callback',...



);
hl2(2)=uimenu(h2,'label','spring',...
'callback',...



);
hl2(3)=uimenu(h2,'label','Summer',...
'callback',...



);
hl2(4)=uimenu(h2,'label','Autumn',...
'callback',...



);
hl2(5)=uimenu(h2,'label','Winter',...
'callback',...



);
h3=uimenu(gcf,'label','坐标选项');
h31=uimenu(h3,'label','Axis on',...
'callback',...



);
h32=uimenu(h3,'label','Axis off',...
'callback',...



);
实例41：除法计算器

h=figure('toolbar','none',...
'position',,...
'name','实例41');
h1=uicontrol(gcf,'style','edit',...
'position',,...
'HorizontalAlignment','right',...
'callback',
);
h2=uicontrol(gcf,'style','edit',...
'HorizontalAlignment','right',...
'position',,...
'callback',
);
h3=uicontrol(gcf,'style','text',...
'string','被除数',...
'position',);
h4=uicontrol(gcf,'style','edit',...
'position',);
h5=uicontrol(gcf,'style','pushbutton',...
'position',,...
'string','=',...
'callback',






);
h8=uicontrol(gcf,'style','text',...
'string','除数',...
'position',);
h9=uicontrol(gcf,'style','text',...
'string','商',...
'position',);
实例42：单选框的使用

h0=figure('toolbar','none',...
'position',,...
'name','实例42');
x=0:0.5:2*pi;
y=sin(x);
plot(x,y)
grid on
set(gcf,'toolbar','none')
g=set(gca,'position',);
huidiao1=


;
huidiao2=


;
box_on=uicontrol(gcf,'style','radio',...
'position',,...
'string','grid on',...
'value',1,...
'callback',huidiao1);
box_off=uicontrol(gcf,'style','radio',...
'position',,...
'string','grid off',...
'value',0,...
'callback',huidiao2);
title('无线按钮的使用')
实例43：添加环境效果

h0=figure('toolbar','none',...
'position',,...
'name','实例43');
h1=axes('parent',h0,...
'position',,...
'visible','off');
sphere
h=findobj('type','surface');
shading interp
axis equal
l=light('position',);
k(1)=get(h,'specularstrength');
k(2)=get(h,'diffusestrength');
k(3)=get(h,'specularexponent');
k(4)=get(h,'specularcolorreflectance');
u1=uimenu('parent',h0,...
'label','灯光效果',...
'tag','u1',...
'backgroundcolor',);
u11=uimenu('parent',u1,...
'label','gouraud',...
'tag','u11',...
'backgroundcolor',,...
'callback',


);
u12=uimenu('parent',u1,...
'label','phong',...
'tag','u12',...
'backgroundcolor',,...
'callback',


);
u2=uimenu('parent',h0,...
'label','背面灯光',...
'tag','u2',...
'backgroundcolor',);
u21=uimenu('parent',u2,...
'label','reverselit',...
'tag','u21',...
'checked','on',...
'backgroundcolor',,...
'callback',


);
u22=uimenu('parent',u2,...
'label','reverselit',...
'tag','u22',...
'backgroundcolor',,...
'callback',


);
s1=uicontrol('parent',h0,...
'units','points',...
'style','slider',...
'tag','s1',...
'min',0,...
'max',1,...
'value',k(1),...
'position',,...
'callback',

);
t1=uicontrol('parent',h0,...
'units','points',...
'style','text',...
'tag','t1',...
'string','镜面反射强度',...
'position',);
s2=uicontrol('parent',h0,...
'units','points',...
'style','slider',...
'tag','s2',...
'min',0,...
'max',1,...
'value',k(2),...
'position',,...
'callback',

);
t2=uicontrol('parent',h0,...
'units','points',...
'style','text',...
'tag','t2',...
'string','漫反射强度',...
'position',);
s3=uicontrol('parent',h0,...
'units','points',...
'style','slider',...
'tag','s3',...
'min',0.1,...
'max',1,...
'value',k(3)/20,...
'position',,...
'callback',

);
t3=uicontrol('parent',h0,...
'units','points',...
'style','text',...
'tag','t3',...
'string','镜面指数',...
'position',);
s4=uicontrol('parent',h0,...
'units','points',...
'style','slider',...
'tag','s4',...
'min',0,...
'max',1,...
'value',k(4),...
'position',,...
'callback',

);
t4=uicontrol('parent',h0,...
'units','points',...
'style','text',...
'tag','t1',...
'string','镜面颜色反射比',...
'position',);
b1=uicontrol('parent',h0,...
'units','points',...
'style','pushbutton',...
'tag','b1',...
'string','关闭',...
'position',,...
'callback','close');
实例44：改变坐标轴范围

h0=figure('toolbar','none',...
'position',,...
'name','实例44');
h1=axes('parent',h0,...
'position',,...
'visible','on');
e1=uicontrol('parent',h0,...
'style','edit',...
'string',1,...
'position',);
t1=uicontrol('parent',h0,...
'style','text',...
'string','X轴最小值',...
'position',);
e2=uicontrol('parent',h0,...
'style','edit',...
'string',5,...
'position',);
t2=uicontrol('parent',h0,...
'style','text',...
'string','X轴最大值',...
'position',);
e3=uicontrol('parent',h0,...
'style','edit',...
'string',1,...
'position',);
t3=uicontrol('parent',h0,...
'style','text',...
'string','Y轴最小值',...
'position',);
e4=uicontrol('parent',h0,...
'style','edit',...
'string',5,...
'position',);
t4=uicontrol('parent',h0,...
'style','text',...
'string','Y轴最大值',...
'position',);
e5=uicontrol('parent',h0,...
'style','edit',...
'string',20,...
'position',);
t5=uicontrol('parent',h0,...
'style','text',...
'horizontalalignment','left',...
'string','点数',...
'position',);
b1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','绘图',...
'position',,...
'callback',







=meshgrid(xgrid,ygrid);,',...
'z=c*sqrt(d-y.*y/b/b-x.*x/a/a);,',...
'u=1;,',...
'z1=real(z);,',...
'for k=2:n-1,',...
'for j=2:n-1,',...
'if imag(z(k,j))~=0,',...
'z1(k,j)=0;,',...
'end,',...
'if all(imag(z(,)))~=0,',...
'z1(k,j)=nan;,',...
'end,',...
'end,',...
'end,',...
'surf(x,y,z1),',...
'hold on,',...
'if u==1,',...
'z2=-z1;,',...
'surf(x,y,z2),',...
'axis();,',...
'end,',...
'xlabel(''x'');,',...
'ylabel(''y'');,',...
'zlabel(''z'');,',...
'hold off']);
b2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',,...
'callback','close');
实例45：简单运算器

h1=uicontrol(gcf,'style','radio',...
'string','加',...
'value',1,...
'position',,...
'callback',



);
h2=uicontrol(gcf,'style','radio',...
'string','减',...
'position',,...
'callback',



);
h3=uicontrol(gcf,'style','radio',...
'string','乘',...
'position',,...
'callback',



);
e1=uicontrol(gcf,'style','edit',...
'position',);
e2=uicontrol(gcf,'style','edit',...
'position',);
e3=uicontrol(gcf,'style','edit',...
'position',);
b1=uicontrol(gcf,'style','pushbutton',...
'string','运算',...
'position',,...
'callback',










);
b2=uicontrol(gcf,'style','pushbutton',...
'string','退出',...
'position',,...
'callback','close');
实例46：曲线色彩的修改

h0=figure('toolbar','none',...
'position',,...
'name','my second gui');
h1=axes('parent',h0,...
'position',,...
'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x));
xlabel('自变量X');
ylabel('函数值Y');
title('图形色彩改变');
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor','r',...
'position',,...
'callback','set(k,''color'',''r'')');
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor','g',...
'position',,...
'callback','set(k,''color'',''g'')');
p3=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor','b',...
'position',,...
'callback','set(k,''color'',''b'')');
p4=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor',,...
'fontsize',20,...
'fontweight','demi',...
'string','关闭',...
'position',,...
'callback','close');
t1=uicontrol('parent',h0,...
'style','text',...
'string','红色',...
'fontsize',12,...
'fontweight','demi',...
'position',);
t2=uicontrol('parent',h0,...
'style','text',...
'string','绿色',...
'fontsize',12,...
'fontweight','demi',...
'position',);
t3=uicontrol('parent',h0,...
'style','text',...
'string','蓝色',...
'fontsize',12,...
'fontweight','demi',...
'position',);

[ Last edited by plp626 on 2008-5-15 at 08:31 AM ]

实例47：曲线标记

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','my second gui');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x),'*');
xlabel('自变量X');
ylabel('函数值Y');
title('标记类型的改变');
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','+',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[60 100 50 20],...
'callback','set(k,''marker'',''+'')');
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','o',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[170 100 50 20],...
'callback','set(k,''marker'',''o'')');
p3=uicontrol('parent',h0,...
'style','pushbutton',...
'string','x',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[280 100 50 20],...
'callback','set(k,''marker'',''x'')');
p4=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor',[1 1 1],...
'fontsize',20,...
'fontweight','demi',...
'string','关闭',...
'position',[150 30 80 60],...
'callback','close');
t1=uicontrol('parent',h0,...
'style','text',...
'string','星号',...
'fontsize',12,...
'fontweight','demi',...
'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','圆圈',...
'fontsize',12,...
'fontweight','demi',...
'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','叉号',...
'fontsize',12,...
'fontweight','demi',...
'position',[280 120 50 20]);
实例48：修改曲型

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例48');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
k=plot(x,sin(x));
xlabel('自变量X');
ylabel('函数值Y');
title('线型的改变');
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','-.',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[60 100 50 20],...
'callback','set(k,''linestyle'',''-.'')');
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string',':',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[170 100 50 20],...
'callback','set(k,''linestyle'','':'')');
p3=uicontrol('parent',h0,...
'style','pushbutton',...
'string','-',...
'fontsize',20,...
'foregroundcolor',[1 1 1],...
'backgroundcolor',[0 0 0],...
'position',[280 100 50 20],...
'callback','set(k,''linestyle'',''-'')');
p4=uicontrol('parent',h0,...
'style','pushbutton',...
'backgroundcolor',[1 1 1],...
'fontsize',20,...
'fontweight','demi',...
'string','关闭',...
'position',[150 30 80 60],...
'callback','close');
t1=uicontrol('parent',h0,...
'style','text',...
'string','点划线',...
'fontsize',12,...
'fontweight','demi',...
'position',[60 120 50 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','虚线',...
'fontsize',12,...
'fontweight','demi',...
'position',[170 120 50 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','实线',...
'fontsize',12,...
'fontweight','demi',...
'position',[280 120 50 20]);
实例49：指定坐标轴范围

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例49');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','on');
x=0:0.1:2*pi;
y=sin(x);
plot(x,y);
xlabel('X');
ylabel('Y');
title('坐标轴范围的改变');
h=get(gca,'xlim');
k=get(gca,'ylim');
e1=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(h(1))),...
'horizontalalignment','right',...
'position',[80 120 100 20]);
t1=uicontrol('parent',h0,...
'style','text',...
'string','X轴最小值',...
'position',[100 145 80 20]);
e2=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(h(2))),...
'horizontalalignment','right',...
'position',[80 60 100 20]);
t2=uicontrol('parent',h0,...
'style','text',...
'string','X轴最大值',...
'position',[100 85 80 20]);
e3=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(k(1))),...
'horizontalalignment','right',...
'position',[250 120 100 20]);
t3=uicontrol('parent',h0,...
'style','text',...
'string','Y轴最小值',...
'position',[270 145 80 20]);
e4=uicontrol('parent',h0,...
'style','edit',...
'string',eval(num2str(k(2))),...
'horizontalalignment','right',...
'position',[250 60 100 20]);
t4=uicontrol('parent',h0,...
'style','text',...
'string','X轴最小值',...
'position',[270 85 80 20]);
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','设置',...
'position',[105 10 50 30],...
'callback',[...
'a=str2num(get(e1,''string''));,',...
'b=str2num(get(e2,''string''));,',...
'c=str2num(get(e3,''string''));,',...
'd=str2num(get(e4,''string''));,',...
'axis([a b c d]),',...
'drawnow']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[275 10 50 30],...
'callback','close');
实例50：绘制不同函数曲线的用户界面

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例50');
h1=axes('parent',h0,...
'position',[0.29 0.45 0.7 0.5],...
'visible','on');
f=uicontrol('parent',h0,...
'style','frame',...
'position',[5 50 90 400]);
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[150 100 60 40],...
'string','绘图',...
'callback',[...
'm=str2num(get(e1,''string''));,',...
'n=str2num(get(e2,''string''));,',...
'a=get(l1,''value'');,',...
'x=m:0.1:n;',...
'if a==1,',...
'plot(x,sin(x)),',...
'end,',...
'if a==2,',...
'plot(x,cos(x)),',...
'end,',...
'if a==3,',...
'plot(x,exp(x)),',...
'end']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[270 100 60 40],...
'string','关闭',...
'callback','close');
l1=uicontrol('parent',h0,...
'style','listbox',...
'position',[10 300 80 80],...
'string','sin(x)|cos(x)|exp(x)',...
'value',1,...
'max',0.5,...
'min',0);
f2=uicontrol('parent',h0,...
'style','text',...
'string','选择函数',...
'fontsize',10,...
'position',[10 380 80 20]);
r1=uicontrol('style','radio',...
'string','grid on',...
'value',0,...
'position',[10 100 60 20],...
'callback',[...
'grid on,',...
'set(r1,''value'',1);,',...
'set(r2,''value'',0)']);
r2=uicontrol('style','radio',...
'string','grid off',...
'position',[10 80 60 20],...
'value',1,...
'callback',[...
'grid off,',...
'set(r2,''value'',1);,',...
'set(r1,''value'',0)']);
e1=uicontrol('parent',h0,...
'style','edit',...
'string',0,...
'position',[20 210 60 20],...
'horizontalalignment','right');
e2=uicontrol('parent',h0,...
'style','edit',...
'string','3',...
'position',[20 150 60 20],...
'horizontalalignment','right');
t1=uicontrol('parent',h0,...
'style','text',...
'string','X from',...
'fontsize',10,...
'position',[20 230 60 20],...
'horizontalalignment','center');
t2=uicontrol('parent',h0,...
'style','text',...
'string','To',...
'fontsize',10,...
'position',[20 170 60 20],...
'horizontalalignment','center');
实例51：可设置函数曲线图视角的用户界面

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例51');
h1=axes('parent',h0,...
'position',[0.15 0.45 0.7 0.5],...
'visible','off');
[x,y]=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
f1=surf(x,y,z);
shading interp
view(-50,30)
camlight left
colormap([1 0 0])
fv=get(h0,'colormap');
ifv=fv;
p1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','重置',...
'position',[280 120 50 30],...
'callback',[...
'set(s1,''value'',ifv(1));,',...
'set(s2,''value'',ifv(2));,',...
'set(s3,''value'',ifv(3));,',...
'set(h0,''colormap'',ifv)']);
p2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[280 60 50 30],...
'callback','close');
s1=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(1),...
'position',[20 150 200 20],...
'callback',[...
's1k=get(s1,''value'');,',...
'fv(1)=s1k;,',...
'set(h0,''colormap'',fv);']);
t1=uicontrol('parent',h0,...
'style','text',...
'string','改变红色成分',...
'position',[20 170 100 20]);
s2=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(2),...
'position',[20 100 200 20],...
'callback',[...
's2k=get(s2,''value'');,',...
'fv(2)=s2k;,',...
'set(h0,''colormap'',fv);']);
t2=uicontrol('parent',h0,...
'style','text',...
'string','改变绿色成分',...
'position',[20 120 100 20]);
s3=uicontrol('parent',h0,...
'style','slider',...
'min',0,...
'max',1,...
'value',fv(3),...
'position',[20 50 200 20],...
'callback',[...
's3k=get(s3,''value'');,',...
'fv(3)=s3k;,',...
'set(h0,''colormap'',fv);']);
t1=uicontrol('parent',h0,...
'style','text',...
'string','改变蓝色成分',...
'position',[20 70 100 20]);
实例52：可设置函数曲线图视角的用户界面

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例52');
h1=axes('parent',h0,...
'position',[0.15 0.5 0.7 0.5],...
'visible','off');
[x,y]=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
fh=surf(x,y,z);
shading interp
view([-60 30])
fv=get(h1,'view');
fv2=fv;
camlight left
sh1=uicontrol('parent',h0,...
'style','slider',...
'max',1,...
'min',-1,...
'value',fv(1)/180,...
'position',[20 150 200 20],...
'callback',[...
'fv(1)=90*get(sh1,''value'');,',...
'set(h1,''view'',[fv(1) fv(2)]),',...
'set(ed1,''string'',fv(1))']);
text1=uicontrol('parent',h0,...
'style','text',...
'string','方位角的变化滑标',...
'position',[20 170 200 20]);
sh2=uicontrol('parent',h0,...
'style','slider',...
'max',1,...
'min',-1,...
'value',fv(2)/180,...
'position',[20 90 200 20],...
'callback',[...
'fv(2)=90*get(sh2,''value'');,',...
'set(h1,''view'',[fv(1) fv(2)]),',...
'set(ed2,''string'',fv(2))']);
text2=uicontrol('parent',h0,...
'style','text',...
'string','仰角的变化滑标',...
'position',[20 110 200 20]);
ed1=uicontrol('parent',h0,...
'style','edit',...
'string',fv(1),...
'position',[30 30 50 20]);
text3=uicontrol('parent',h0,...
'style','text',...
'string','方位角的数值',...
'position',[20 50 80 20]);
ed2=uicontrol('parent',h0,...
'style','edit',...
'string',fv(2),...
'position',[150 30 50 20]);
text4=uicontrol('parent',h0,...
'style','text',...
'string','仰角的数值',...
'position',[135 50 80 20]);
pf1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','重置',...
'position',[280 120 50 30],...
'callback',[...
'set(h1,''view'',fv2),',...
'set(sh1,''value'',fv2(1)/180),',...
'set(sh2,''value'',fv2(2)/180),',...
'set(ed1,''string'',fv2(1)),',...
'set(ed2,''string'',fv2(2))']);
pf2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[280 60 50 30],...
'callback','close');
实例53：可设置函数曲线光源的用户界面

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例53');
h1=axes('parent',h0,...
'position',[0.15 0.5 0.7 0.5],...
'visible','off');
[x,y]=meshgrid(-8:0.5:8);
r=sqrt(x.^2+y.^2)+eps;
z=sin(r)./r;
fh=surf(x,y,z);
shading interp
view([-60 30])
camlight left
lightk=light('position',[0 -2 1]);
button1=uicontrol('parent',h0,...
'style','pushbutton',...
'string','设置光线',...
'position',[80 60 70 30],...
'callback',[...
'an1=inputdlg(''光线来源的X轴坐标'');,',...
'k1=str2num(an1{1});,',...
'an2=inputdlg(''光线来源的Y轴坐标'');,',...
'k2=str2num(an2{1});,',...
'an3=inputdlg(''光线来源的Z轴坐标'');,',...
'k3=str2num(an3{1});,',...
'set(lightk,''position'',[k1 k2 k3]);,',...
'set(edit1,''string'',[''['',num2str(k1),'' '',num2str(k2),'' '',num2str(k3),'']'']);']);
button2=uicontrol('parent',h0,...
'style','pushbutton',...
'string','关闭',...
'position',[250 60 70 30],...
'callback','close');
edit1=uicontrol('parent',h0,...
'style','edit',...
'max',2,...
'min',0,...
'fontsize',15,...
'backgroundcolor',[1 1 1],...
'string','[0 -2 1]',...
'position',[80 110 220 30]);
text1=uicontrol('parent',h0,...
'style','text',...
'backgroundcolor',[0.75 0.75 0.75],...
'fontsize',15,...
'string','光线来源坐标',...
'position',[80 140 220 30]);
实例54：添加效果

h0=figure('toolbar','none',...
'position',[200 50 300 350],...
'name','实例54');
h1=axes('parent',h0,...
'position',[0.2 0.4 0.6 0.6],...
'visible','off');
ezsurf('sin(sqrt(x.^2+y.^2))/sqrt(x.^2+y.^2)',[-6*pi,6*pi])
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','设置',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[40 50 50 20],...
'callback',[...
'view(0,75);,',...
'shading interp;,',...
'lightangle(-45,30);,',...
'k=findobj(gca,''type'',''surface'');,'...
'set(k,''facelighting'',''phong'');,',...
'set(k,''ambientstrength'',0.3);,',...
'set(k,''diffusestrength'',0.8);,',...
'set(k,''specularstrength'',0.9);,',...
'set(k,''specularexponent'',25);,',...
'set(k,''backfacelighting'',''unlit'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[120 50 50 20],...
'callback','close');
实例55：查询日期

h0=figure('toolbar','none',...
'position',[198 56 408 468],...
'name','实例55');
h1=axes('parent',h0,...
'position',[0.15 0.5 0.7 0.5],...
'visible','off');
huidiao=[...
'yearnum=str2num(get(edit1,''string''));,',...
'monthnum=str2num(get(edit2,''string''));,',...
'daynum=str2num(get(edit3,''string''));,',...
'monthday=[0 31 28 31 30 31 30 31 31 30 31 30 31];,',...
'dyear=yearnum-2000;,',...
'beishu=fix(dyear/4);,',...
'yushu=rem(yearnum,4);,',...
'if yushu==0,',...
'monthday(3)=29;,',...
'end,',...
'mday=0;,',...
'for i=1:monthnum,',...
'mday=monthday(i)+mday;,',...
'end,',...
'yearday=mday+daynum-1;,',...
'noweek=fix(yearday/7);,',...
'set(edit5,''string'',[''第'',num2str(noweek),''周'']);,',...
'if dyear>0,',...
'if yushu==0,',...
'beishu=beishu-1;,',...
'end,',...
'dday=yearday+365*dyear+beishu+1;,',...
'end,',...
'if dyear<=0,',...
'dday=365*dyear+yearday+beishu;,',...
'end,',...
'mweek=rem(dday,7)+7;,',...
'if mweek==8,',...
'set(edit4,''string'',''Sunday'');,',...
'end,',...
'if mweek==9,',...
'set(edit4,''string'',''Monday'');,',...
'end,',...
'if mweek==10,',...
'set(edit4,''string'',''Tuesday'');,',...
'end,',...
'if mweek==11,',...
'set(edit4,''string'',''Wednesday'');,',...
'end,',...
'if mweek==12,',...
'set(edit4,''string'',''Thursday'');,',...
'end,',...
'if mweek==13,',...
'set(edit4,''string'',''Friday'');,',...
'end,',...
'if mweek==7,',...
'set(edit4,''string'',''Saturday'');,',...
'end,',...
'if mweek==6,',...
'set(edit4,''string'',''Friday'');,',...
'end,',...
'if mweek==5,',...
'set(edit4,''string'',''Thursday'');,',...
'end,',...
'if mweek==4,',...
'set(edit4,''string'',''Wednesday'');,',...
'end,',...
'if mweek==3,',...
'set(edit4,''string'',''Tuesday'');,',...
'end,',...
'if mweek==2,',...
'set(edit4,''string'',''Monday'');,',...
'end,',...
'if mweek==1,',...
'set(edit4,''string'',''Sunday'');,',...
'end'];
edit1=uicontrol('parent',h0,...
'style','edit',...
'horizontalalignment','right',...
'position',[40 300 50 20]);
text1=uicontrol('parent',h0,...
'style','text',...
'string','年',...
'horizontalalignment','left',...
'position',[90 300 50 20]);
edit2=uicontrol('parent',h0,...
'style','edit',...
'horizontalalignment','right',...
'position',[160 300 50 20]);
text2=uicontrol('parent',h0,...
'style','text',...
'string','月',...
'horizontalalignment','left',...
'position',[210 300 50 20]);
edit3=uicontrol('parent',h0,...
'style','edit',...
'horizontalalignment','right',...
'position',[280 300 50 20]);
text3=uicontrol('parent',h0,...
'style','text',...
'string','日',...
'horizontalalignment','left',...
'position',[330 300 50 20]);
edit4=uicontrol('parent',h0,...
'style','edit',...
'horizontalalignment','left',...
'position',[210 200 120 20]);
text4=uicontrol('parent',h0,...
'style','text',...
'string','查找的日期为',...
'horizontalalignment','right',...
'position',[110 200 100 20]);
edit5=uicontrol('parent',h0,...
'style','edit',...
'horizontalalignment','left',...
'position',[210 100 120 20]);
text1=uicontrol('parent',h0,...
'style','text',...
'string','该日处于',...
'horizontalalignment','left',...
'position',[160 100 50 20]);
button1=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[80 40 80 30],...
'string','开始',...
'callback',huidiao);
button2=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[220 40 80 30],...
'string','关闭',...
'callback','close');
实例56：图形效果（1）

h0=figure('toolbar','none',...
'position',[198 56 450 468],...
'name','实例56');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
l1=uimenu(gcf,'label','Draw figure',...
'tag','l1');
huidiao=[...
'if get(r1,''value'')==1,',...
'shading faceted,',...
'end,',...
'if get(r2,''value'')==1,',...
'shading flat,',...
'end,',...
'if get(r3,''value'')==1,',...
'shading interp,',...
'end,',...
'k=get(p1,''value'');,',...
'switch k,',...
'case 1,',...
'colormap(''cool''),',...
'case 2,',...
'colormap(''spring''),',...
'case 3,',...
'colormap(''summer''),',...
'case 4,',...
'colormap(''autumn''),',...
'case 5,',...
'colormap(''winter''),',...
'end'];
l11=uimenu('parent',l1,...
'label','Surface',...
'tag','l11',...
'callback',[...
'[x,y]=meshgrid(-8:0.5:8);,',...
'r=sqrt(x.^2+y.^2)+eps;,',...
'z=sin(r)./r;,',...
'surf(x,y,z),',...
huidiao]);
l12=uimenu('parent',l1,...
'label','Mesh',...
'tag','l12',...
'callback',[...
'mesh(peaks),',...
huidiao]);
l13=uimenu('parent',l1,...
'label','Membrane',...
'tag','l13',...
'callback',[...
'mesh(membrane),',...
huidiao]);
f1=uicontrol('parent',h0,...
'units','points',...
'listboxtop',0,...
'position',[12 6 100 101],...
'style','frame',...
'tag','f1');
r1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 58.5 72.75 16.5],...
'string','shading faceted',...
'style','radiobutton',...
'tag','r1',...
'value',1,...
'callback',[...
'shading faceted,',...
'set(r1,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);']);
r2=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 35.25 78.75 18.75],...
'string','shading flat',...
'style','radiobutton',...
'tag','r2',...
'value',0,...
'callback',[...
'shading flat,',...
'set(r2,''value'',1);,',...
'set(r1,''value'',0);,',...
'set(r3,''value'',0);']);
r3=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 12.75 71.25 18.75],...
'string','shading interp',...
'style','radiobutton',...
'tag','r3',...
'value',0,...
'callback',[...
'shading interp,',...
'set(r3,''value'',1);,',...
'set(r1,''value'',0);,',...
'set(r2,''value'',0);']);
t1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'fontsize',12,...
'listboxtop',0,...
'position',[14.25 75.75 90.75 22.5],...
'string','平滑处理',...
'style','text',...
'tag','t1');
t2=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'fontsize',12,...
'listboxtop',0,...
'position',[117 69 72.75 17.5],...
'string','设置色调',...
'style','text',...
'tag','t2');
p1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[116.25 39 72.75 20.25],...
'string','Cool|Spring|Summer|Autumn|Winter',...
'style','popupmenu',...
'tag','p1',...
'value',1,...
'callback',[...
'k=get(p1,''value'');,',...
'switch k,',...
'case 1,',...
'colormap(''cool''),',...
'case 2,',...
'colormap(''spring''),',...
'case 3,',...
'colormap(''summer''),',...
'case 4,',...
'colormap(''autumn''),',...
'case 5,',...
'colormap(''winter''),',...
'end']);
b1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[12 243 72.75 30.75],...
'string','关闭',...
'tag','b1',...
'callback','close');
b2=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[216.75 67.5 83.25 18.75],...
'string','Colorbar',...
'tag','b2',...
'callback','colorbar');
实例57：图形效果

h0=figure('toolbar','none',...
'position',[168 94.5 315 289.5],...
'name','实例57');
h1=axes('parent',h0,...
'position',[0.4 0.4 0.5 0.5],...
'visible','off');
f1=uicontrol('parent',h0,...
'style','frame',...
'position',[15 10 80 70],...
'string','dull',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','r1',...
'value',1,...
'callback',[...
'set(r1,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);,',...
'material dull']);
r1=uicontrol('parent',h0,...
'style','radiobutton',...
'position',[19.5 58.5 72.75 16.5],...
'string','dull',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','r1',...
'value',1,...
'callback',[...
'set(r1,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);,',...
'material dull']);
r2=uicontrol('parent',h0,...
'style','radiobutton',...
'position',[19.5 35.25 72.75 16.5],...
'string','metal',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','r2',...
'value',0,...
'callback',[...
'set(r2,''value'',1);,',...
'set(r1,''value'',0);,',...
'set(r3,''value'',0);,',...
'material metal']);
r3=uicontrol('parent',h0,...
'style','radiobutton',...
'position',[19.5 12.75 72.75 16.5],...
'string','shiny',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','r3',...
'value',0,...
'callback',[...
'set(r3,''value'',1);,',...
'set(r1,''value'',0);,',...
'set(r2,''value'',0);,',...
'material shiny']);
u1=uimenu('parent',h0,...
'label','绘图',...
'backgroundcolor',[0.753 0.753 0.753],...
'tag','u1',...
'callback',[...
'[x,y]=meshgrid(-8:0.5:8);,',...
'r=sqrt(x.^2+y.^2)+eps;,',...
'z=sin(r)./r;,',...
'surf(x,y,z),',...
'shading interp']);
b1=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[19.5 150 60 20],...
'string','light',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','b1',...
'callback','camlight headlight');
b2=uicontrol('parent',h0,...
'style','pushbutton',...
'position',[19.5 100 60 20],...
'string','关闭',...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'tag','b2',...
'callback','close');
实例58：可控制小球运动速度的用户界面

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例58');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
t=0:0.1:4*pi;
x=sin(t);
y=cos(t);
plot(x,y)
axis equal
axis off
h=line('color',[1 0 0],...
'linestyle','.',...
'xdata',0,...
'ydata',1,...
'markersize',20,...
'erasemode','xor');
n=length(t);
i=1;
speed=0.01;
k=0;
b1huidiao=[...
'k=0;,',...
'while 1,',...
'set(h,''xdata'',x(i),''ydata'',y(i));,',...
'drawnow,',...
'pause(speed),',...
'i=i+1;,',...
'if i>n,',...
'i=1;,',...
'end,',...
'if k==1,',...
'break,',...
'end,',...
'end'];
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','开始',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 80 50 20],...
'callback',b1huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','停止',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 80 50 20],...
'callback','k=1;');
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 80 50 20],...
'callback',[...
'k=1;,',...
'close']);
s1=uicontrol('parent',h0,...
'units','points',...
'tag','s1',...
'style','slider',...
'value',50*speed,...
'max',1,...
'min',0,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 115 190 20],...
'callback',[...
'm=get(s1,''value'');,',...
'speed=m/50;']);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'fontsize',15,...
'string','小球运动速度',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 135 190 20]);
实例59：设置坐标轴纵横轴比

h0=figure('name','实例59');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
u1=uimenu('parent',h0,...
'label','绘图',...
'backgroundcolor',[0.753 0.753 0.753],...
'tag','u1',...
'callback',[...
'[x,y]=meshgrid(-8:0.5:8);,',...
'r=sqrt(x.^2+y.^2)+eps;,',...
'z=sin(r)./r;,',...
'mesh(x,y,z),',...
'shading interp,',...
'axis normal']);
f1=uicontrol('parent',h0,...
'units','points',...
'listboxtop',0,...
'position',[12 6 100 150],...
'style','frame',...
'tag','f1');
t1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 130 72.75 16.5],...
'string','坐标纵横比',...
'style','text',...
'tag','t1');
r1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 110 72.75 16.5],...
'string','axis equal',...
'style','radiobutton',...
'tag','r1',...
'value',1,...
'callback',[...
'set(r1,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);,',...
'set(r4,''value'',0);,',...
'set(r5,''value'',0);,',...
'axis equal']);
r2=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 85 72.75 16.5],...
'string','axis square',...
'style','radiobutton',...
'tag','r2',...
'value',0,...
'callback',[...
'set(r2,''value'',1);,',...
'set(r1,''value'',0);,',...
'set(r3,''value'',0);,',...
'set(r4,''value'',0);,',...
'set(r5,''value'',0);,',...
'axis square']);
r3=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 60 72.75 16.5],...
'string','axis image',...
'style','radiobutton',...
'tag','r3',...
'value',0,...
'callback',[...
'set(r3,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r1,''value'',0);,',...
'set(r4,''value'',0);,',...
'set(r5,''value'',0);,',...
'axis image']);
r4=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 35 72.75 16.5],...
'string','axie vis3d',...
'style','radiobutton',...
'tag','r4',...
'value',0,...
'callback',[...
'set(r4,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);,',...
'set(r1,''value'',0);,',...
'set(r5,''value'',0);,',...
'axis vis3d']);
r5=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[19.5 10 72.75 16.5],...
'string','axis auto',...
'style','radiobutton',...
'tag','r5',...
'value',0,...
'callback',[...
'set(r5,''value'',1);,',...
'set(r2,''value'',0);,',...
'set(r3,''value'',0);,',...
'set(r4,''value'',0);,',...
'set(r1,''value'',0);,',...
'axis auto']);
b1=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[12 243 72.75 30.75],...
'string','关闭',...
'tag','b1',...
'callback','close');
b2=uicontrol('parent',h0,...
'units','points',...
'backgroundcolor',[0.753 0.753 0.753],...
'listboxtop',0,...
'position',[216.75 67.5 83.25 18.75],...
'string','Colorbar',...
'tag','b2',...
'callback','colorbar');
实例60：动态文本显示

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例60');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
str1='当前阻尼比＝';
z=0.52;
t=0:0.1:10;
y=step(1,[1 2*z 1],t);
hline=plot(t,y);
grid on
r1=uicontrol('parent',h0,...
'units','points',...
'tag','r1',...
'style','radio',...
'string','grid on',...
'position',[30 120 60 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'value',1,...
'callback',[...
'grid on,',...
'set(r1,''value'',1);,',...
'set(r2,''value'',0)']);
r2=uicontrol('parent',h0,...
'units','points',...
'tag','r2',...
'style','radio',...
'string','grid on',...
'position',[30 95 60 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'value',0,...
'callback',[...
'grid off,',...
'set(r2,''value'',1);,',...
'set(r1,''value'',0)']);
s1=uicontrol('parent',h0,...
'units','points',...
'tag','s1',...
'style','slider',...
'value',z,...
'position',[100 95 150 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'max',1,...
'min',0,...
'callback',[...
'z=get(s1,''value'');,',...
'set(t1,''string'',[str1,sprintf(''%1.4g\'',z)]);,',...
'delete(hline),',...
'y=step(1,[1 2*z 1],t);,',...
'hline=plot(t,y);,',...
'if get(r1,''value'')==1,',...
'grid on,',...
'end,',...
'if get(r2,''value'')==1,',...
'grid off,',...
'end']);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string',[str1,sprintf('%1.4g\',z)],...
'position',[100 120 150 20],...
'backgroundcolor',[0.75 0.75 0.75]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','关闭',...
'position',[80 50 80 30],...
'backgroundcolor',[0.75 0.75 0.75],...
'fontsize',15,...
'callback','close');
实例61：浏览流体数据

h0=figure('toolbar','none',...
'position',[198 56 450 468],...
'name','实例61');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
[x,y,z,v]=flow;
xmin=min(x(:));
ymin=min(y(:));
zmin=min(z(:));
xmax=max(x(:));
ymax=max(y(:));
zmax=max(z(:));
u1=uimenu('parent',h0,...
'tag','u1',...
'label','绘图',...
'background',[0.75 0.75 0.75]);
u11=uimenu('parent',u1,...
'tag','u11',...
'label','绕X轴旋转-45度',...
'background',[0.75 0.75 0.75],...
'callback',[...
'cla,',...
'hslice=surf(linspace(xmin,xmax,100),linspace(ymin,ymax,100),zeros(100));,',...
'rotate(hslice,[-1,0,0],-45),',...
'xd=get(hslice,''xdata'');,',...
'yd=get(hslice,''ydata'');,',...
'zd=get(hslice,''zdata'');']);
u12=uimenu('parent',u1,...
'tag','u12',...
'label','绕Y轴旋转-45度',...
'background',[0.75 0.75 0.75],...
'callback',[...
'cla,',...
'hslice=surf(linspace(xmin,xmax,100),linspace(ymin,ymax,100),zeros(100));,',...
'rotate(hslice,[0,-1,0],-45),',...
'xd=get(hslice,''xdata'');,',...
'yd=get(hslice,''ydata'');,',...
'zd=get(hslice,''zdata'');']);
b1=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','设置颜色',...
'position',[50 120 60 25],...
'callback',[...
'delete(hslice),',...
'h=slice(x,y,z,v,xd,yd,zd);,',...
'set(h,''facecolor'',''interp'',''edgecolor'',''none'',''diffusestrength'',0.8)']);
b2=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','添加切片1',...
'position',[240 120 60 25],...
'callback',[...
'hold on,',...
'hx=slice(x,y,z,v,xmax,[],[]);,',...
'set(hx,''facecolor'',''interp'',''edgecolor'',''none'')']);
b3=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','添加切片2',...
'position',[240 70 60 20],...
'callback',[...
'hold on,',...
'hy=slice(x,y,z,v,ymax,[],[]);,',...
'set(hy,''facecolor'',''interp'',''edgecolor'',''none'')']);
b4=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b4',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','添加切片3',...
'position',[240 20 60 20],...
'callback',[...
'hold on,',...
'hz=slice(x,y,z,v,zmax-1,[],[]);,',...
'set(hz,''facecolor'',''interp'',''edgecolor'',''none'')']);
b5=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b5',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','灯光效果',...
'position',[50 70 60 20],...
'callback',[...
'daspect([1 1 1]),',...
'axis tight,',...
'box on,',...
'view(-38.5,16),',...
'camzoom(1.4),',...
'camproj perspective,',...
'lightangle(-45,45)']);
b6=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b6',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','colorbar',...
'position',[50 20 60 20],...
'callback','colorbar(''horiz'')');
b7=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b7',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','关闭',...
'fontsize',14,...
'position',[145 75 60 20],...
'callback','close');
实例62：简单计算器

h0=figure('toolbar','none',...
'position',[200 60 220 240],...
'name','实例62');
b0=uicontrol('parent',h0,...
'units','points',...
'tag','b0',...
'style','pushbutton',...
'string','0',...
'fontsize',12,...
'position',[5 15 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0''&i==0,',...
'errordlg(''数字首位不能为0''),',...
'else,',...
'k=[k,''0''];,',...
'if k==''00'',',...
'k=''0'';,',...
'end,',...
'set(e1,''string'',k);,',...
'end']);
b15=uicontrol('parent',h0,...
'units','points',...
'tag','b15',...
'style','pushbutton',...
'string','=',...
'fontsize',12,...
'position',[45 15 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'k=get(e1,''string'');,',...
'if g==''+'',',...
'm=m+str2num(k);,',...
'end,',...
'if g==''-'',',...
'm=m-str2num(k);,',...
'end,',...
'if g==''*'',',...
'm=m*str2num(k);,',...
'end,',...
'if g==''/'',',...
'if k==''0'',',...
'errordlg(''除数不能为0'');,',...
'end,',...
'm=m/str2num(k);,',...
'end,',...
'set(e1,''string'',num2str(m));,',...
'i=0;']);
b11=uicontrol('parent',h0,...
'units','points',...
'tag','b11',...
'style','pushbutton',...
'string','+',...
'fontsize',12,...
'position',[85 15 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'i=i+1;,',...
'if i==1,',...
'm=str2num(k);,',...
'set(e1,''string'',''0'');,',...
'end,',...
'if i>1,',...
'k=get(e1,''string'');,',...
'if g==''+'',',...
'm=m+str2num(k);,',...
'end,',...
'if g==''-'',',...
'm=m-str2num(k);,',...
'end,',...
'if g==''*'',',...
'm=m*str2num(k);,',...
'end,',...
'if g==''/'',',...
'if k==''0'',',...
'errordlg(''除数不能为0'');,',...
'end,',...
'm=m/str2num(k);,',...
'end,',...
'set(e1,''string'',num2str(m));,',...
'i=1;,',...
'end,',...
'k=''0'';,',...
'g=''+'';']);
b16=uicontrol('parent',h0,...
'units','points',...
'tag','b16',...
'style','pushbutton',...
'string','关闭',...
'fontsize',12,...
'position',[125 15 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback','close');
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','1',...
'fontsize',12,...
'position',[5 45 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''1''];,',...
'set(e1,''string'',k);']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','2',...
'fontsize',12,...
'position',[45 45 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''2''];,',...
'set(e1,''string'',k);']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','3',...
'fontsize',12,...
'position',[85 45 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''3''];,',...
'set(e1,''string'',k);']);
b14=uicontrol('parent',h0,...
'units','points',...
'tag','b14',...
'style','pushbutton',...
'string','/',...
'fontsize',12,...
'position',[125 45 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'i=i+1;,',...
'if i==1,',...
'm=str2num(k);,',...
'set(e1,''string'',''0'');,',...
'end,',...
'if i>1,',...
'k=get(e1,''string'');,',...
'if k==''0'',',...
'errordlg(''除数不能为0'');,',...
'end,',...
'if ~(k==''0''),',...
'if g==''+'',',...
'm=m+str2num(k);,',...
'end,',...
'if g==''-'',',...
'm=m-str2num(k);,',...
'end,',...
'if g==''*'',',...
'm=m*str2num(k);,',...
'end,',...
'if g==''/'',',...
'm=m/str2num(k);,',...
'end,',...
'set(e1,''string'',num2str(m));,',...
'end,',...
'i=1;,',...
'end,',...
'k=''0'';,',...
'g=''/'';']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','4',...
'fontsize',12,...
'position',[5 75 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''4''];,',...
'set(e1,''string'',k);']);
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'style','pushbutton',...
'string','5',...
'fontsize',12,...
'position',[45 75 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''5''];,',...
'set(e1,''string'',k);']);
b6=uicontrol('parent',h0,...
'units','points',...
'tag','b6',...
'style','pushbutton',...
'string','6',...
'fontsize',12,...
'position',[85 75 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''6''];,',...
'set(e1,''string'',k);']);
b13=uicontrol('parent',h0,...
'units','points',...
'tag','b13',...
'style','pushbutton',...
'string','*',...
'fontsize',12,...
'position',[125 75 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'i=i+1;,',...
'if i==1,',...
'm=str2num(k);,',...
'set(e1,''string'',''0'');,',...
'end,',...
'if i>1,',...
'k=get(e1,''string'');,',...
'if g==''+'',',...
'm=m+str2num(k);,',...
'end,',...
'if g==''-'',',...
'm=m-str2num(k);,',...
'end,',...
'if g==''*'',',...
'm=m*str2num(k);,',...
'end,',...
'if g==''/'',',...
'if k==''0'',',...
'errordlg(''除数不能为0'');,',...
'end,',...
'm=m/str2num(k);,',...
'end,',...
'set(e1,''string'',num2str(m));,',...
'i=1;,',...
'end,',...
'k=''0'';,',...
'g=''*'';']);
b7=uicontrol('parent',h0,...
'units','points',...
'tag','b7',...
'style','pushbutton',...
'string','7',...
'fontsize',12,...
'position',[5 105 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''7''];,',...
'set(e1,''string'',k);']);
b8=uicontrol('parent',h0,...
'units','points',...
'tag','b8',...
'style','pushbutton',...
'string','8',...
'fontsize',12,...
'position',[45 105 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''8''];,',...
'set(e1,''string'',k);']);
b9=uicontrol('parent',h0,...
'units','points',...
'tag','b9',...
'style','pushbutton',...
'string','9',...
'fontsize',12,...
'position',[85 105 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'if k==''0'',',...
'k='''';,',...
'end,',...
'k=[k,''9''];,',...
'set(e1,''string'',k);']);
b12=uicontrol('parent',h0,...
'units','points',...
'tag','b12',...
'style','pushbutton',...
'string','-',...
'fontsize',12,...
'position',[125 105 35 20],...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'i=i+1;,',...
'if i==1,',...
'm=str2num(k);,',...
'set(e1,''string'',''0'');,',...
'end,',...
'if i>1,',...
'k=get(e1,''string'');,',...
'if g==''+'',',...
'm=m+str2num(k);,',...
'end,',...
'if g==''-'',',...
'm=m-str2num(k);,',...
'end,',...
'if g==''*'',',...
'm=m*str2num(k);,',...
'end,',...
'if g==''/'',',...
'if k==''0'',',...
'errordlg(''除数不能为0'');,',...
'end,',...
'm=m/str2num(k);,',...
'end,',...
'set(e1,''string'',num2str(m));,',...
'i=1;,',...
'end,',...
'k=''0'';,',...
'g=''-'';']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'fontsize',12,...
'string','0',...
'position',[45 135 115 20],...
'backgroundcolor',[1 1 1]);
k=get(e1,'string');
i=0;
m=0;
实例63：字母统计

h0=figure('toolbar','none',...
'position',[200 150 350 200],...
'name','实例63');
choose=1;
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'min',0,...
'max',2,...
'fontsize',12,...
'horizontalalignment','left',...
'position',[20 20 120 100]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','请输入字母（大小写皆可）：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 125 120 15]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','开始统计',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[180 100 60 20],...
'callback',[...
's=get(e1,''string'');,',...
'n=length(s);,',...
'jb=0;,',...
'jl=0;,',...
'for i=1:n,',...
'if (abs(s(i))>64)&(abs(s(i))<91),',...
'jb=jb+1;,',...
'end,',...
'if (abs(s(i))>96)&(abs(s(i))<123),',...
'jl=jl+1;,',...
'end,',...
'end,',...
'j=jb+jl;,',...
'if choose==1,',...
'msgbox([''共有字母'',num2str(j),''个！'',''其中大写字母'',num2str(jb),''个！''],''统计结果''),',...
'end,',...
'if choose==2,',...
'msgbox([''共有字母'',num2str(j),''个！'',''其中小写字母'',num2str(jl),''个！''],''统计结果'');,',...
'end']);
u1=uimenu('parent',h0,...
'label','字母分类',...
'backgroundcolor',[0.75 0.75 0.75],...
'tag','u1');
u11=uimenu('parent',u1,...
'label','大写字母',...
'backgroundcolor',[0.75 0.75 0.75],...
'tag','u11',...
'checked','on',...
'callback',[...
'set(u11,''checked'',''on'');,',...
'set(u12,''checked'',''off'');,',...
'choose=1;']);
u12=uimenu('parent',u1,...
'label','小写字母',...
'backgroundcolor',[0.75 0.75 0.75],...
'tag','u12',...
'callback',[...
'set(u12,''checked'',''on'');,',...
'set(u11,''checked'',''off'');,',...
'choose=2;']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','清除',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[180 60 60 20],...
'callback','set(e1,''string'','''')');
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[180 20 60 20],...
'callback','close');
实例64：图形的几何操作

h0=figure('toolbar','none',...
'position',[200 150 300 150],...
'name','实例64');
now=fix(clock);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'horizontal','right',...
'fontsize',12,...
'position',[20 80 30 20],...
'string',num2str(now(1)));
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','年',...
'backgroundcolor',[0.75 0.75 0.75],...
'fontsize',14,...
'position',[55 80 20 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'horizontal','right',...
'fontsize',12,...
'position',[80 80 30 20],...
'string',num2str(now(2)));
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','月',...
'backgroundcolor',[0.75 0.75 0.75],...
'fontsize',14,...
'position',[115 80 20 20]);
e3=uicontrol('parent',h0,...
'units','points',...
'tag','e3',...
'style','edit',...
'horizontal','right',...
'backgroundcolor',[1 1 1],...
'fontsize',12,...
'position',[140 80 30 20],...
'string',num2str(now(3)));
t3=uicontrol('parent',h0,...
'units','points',...
'tag','t3',...
'style','text',...
'string','日',...
'backgroundcolor',[0.75 0.75 0.75],...
'fontsize',14,...
'position',[175 80 20 20]);
e4=uicontrol('parent',h0,...
'units','points',...
'tag','e4',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'horizontal','right',...
'fontsize',12,...
'position',[20 30 100 20],...
'string',[num2str(now(4)),'：',num2str(now(5)),'：',num2str(now(6))]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','关闭',...
'fontsize',12,...
'position',[150 30 50 20],...
'callback',[...
'k=1;,',...
'close']);
k=0;
while find(get(0,'children'))==h0
now1=fix(clock)
set(e1,'string',num2str(now1(1)));
set(e2,'string',num2str(now1(2)));
set(e3,'string',num2str(now1(3)));
set(e4,'string',[num2str(now1(4)),'：',num2str(now1(5)),'：',num2str(now1(6))]);
pause(1)
if k==1
break
end
end
实例65：时间计算器

h0=figure('toolbar','none',...
'position',[200 150 300 250],...
'name','实例65');
huidiao=[...
'k=0;,',...
'fyear=str2num(get(e1,''string''));,',...
'fmonth=str2num(get(e2,''string''));,',...
'fday=str2num(get(e3,''string''));,',...
'syear=str2num(get(e4,''string''));,',...
'smonth=str2num(get(e5,''string''));,',...
'sday=str2num(get(e6,''string''));,',...
'month=[0 31 28 31 30 31 30 31 31 30 31 30 31];,',...
'k=fix(fyear/4);,',...
'if rem(fyear,4)==0,',...
'month(3)=29;,',...
'else,',...
'k=k+1;,',...
'month(3)=28;,',...
'end,',...
'sum=0;,',...
'for i=1:fmonth,',...
'sum=sum+month(i);,',...
'end,',...
'fdday=fyear*365+sum+fday+k;,',...
'l=fix(syear/4);,',...
'if rem(syear,4)==0,',...
'month(3)=29;,',...
'else,',...
'l=l+1;,',...
'month(3)=28;,',...
'end,',...
'ssum=0;,',...
'for i=1:smonth,',...
'ssum=ssum+month(i);,',...
'end,',...
'sdday=syear*365+ssum+sday+l;,',...
'dday=abs(fdday-sdday);,',...
'set(e7,''string'',[num2str(dday),''天'']);'];
t0=uicontrol('parent',h0,...
'units','points',...
'tag','t0',...
'style','text',...
'string','开始日期：',...
'horizontalalignment','right',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[10 160 80 20]);
t8=uicontrol('parent',h0,...
'units','points',...
'tag','t8',...
'style','text',...
'string','结束日期：',...
'horizontalalignment','right',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[115 160 80 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 130 50 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','年',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[75 130 20 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 100 50 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','月',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[75 100 20 20]);
e3=uicontrol('parent',h0,...
'units','points',...
'tag','e3',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 70 50 20]);
t3=uicontrol('parent',h0,...
'units','points',...
'tag','t3',...
'style','text',...
'string','日',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[75 70 20 20]);
e4=uicontrol('parent',h0,...
'units','points',...
'tag','e4',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[120 130 50 20]);
t4=uicontrol('parent',h0,...
'units','points',...
'tag','t4',...
'style','text',...
'string','年',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[175 130 20 20]);
e5=uicontrol('parent',h0,...
'units','points',...
'tag','e5',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[120 100 50 20]);
t5=uicontrol('parent',h0,...
'units','points',...
'tag','t5',...
'style','text',...
'string','月',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[175 100 20 20]);
e6=uicontrol('parent',h0,...
'units','points',...
'tag','e6',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[120 70 50 20]);
t6=uicontrol('parent',h0,...
'units','points',...
'tag','t6',...
'style','text',...
'string','日',...
'horizontalalignment','left',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[175 70 20 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','计算日期',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 40 50 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 10 50 20],...
'callback','close');
e7=uicontrol('parent',h0,...
'units','points',...
'tag','e7',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[120 10 80 20]);
t7=uicontrol('parent',h0,...
'units','points',...
'tag','t7',...
'style','text',...
'string','两个日期相差：',...
'horizontalalignment','right',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 30 110 20]);
实例66：数字操作

h0=figure('toolbar','none',...
'position',[200 150 350 200],...
'name','实例66');
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'position',[20 90 80 20],...
'fontsize',12,...
'horizontalalignment','right');
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'backgroundcolor',[1 1 1],...
'position',[160 90 80 20],...
'fontsize',12,...
'horizontalalignment','right');
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','初始数值（十进制）：',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[15 110 90 20],...
'fontsize',12,...
'horizontalalignment','left');
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','转换结果：',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[155 110 90 20],...
'fontsize',12,...
'horizontalalignment','left');
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','二进制',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 50 50 20],...
'callback',[...
'k=get(e1,''string'');,',...
'k2=str2num(k);,',...
'bk=dec2bin(k2);,',...
'set(e2,''string'',num2str(bk));']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','清除',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 50 50 20],...
'callback',[...
'set(e1,''string'','''');,',...
'set(e2,''string'','''');']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','十六进制',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 15 50 20],...
'callback',[...
'k=get(e1,''string'');,',...
'k3=str2num(k);,',...
'hk=dec2hex(k3);,',...
'set(e2,''string'',num2str(hk));']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 15 50 20],...
'callback','close');
实例67：图像的块操作

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例67');
h1=axes('parent',h0,...
'position',[0.2 0.45 0.6 0.5],...
'visible','off');
I=imread('tire.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','边沿操作',...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''tire.tif'');,',...
'f=inline(''max(x(:))'');,',...
'I2=nlfilter(I,[2 2],f);,',...
'imshow(I2)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','显示块操作',...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''tire.tif'');,',...
'f=inline(''uint8(round(mean2(x)*ones(size(x))))'');,',...
'I2=blkproc(I,[6 6],f);,',...
'imshow(I2)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','交叠块操作',...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''tire.tif'');,',...
'f=inline(''uint8(round(mean2(x)*ones(size(x))))'');,',...
'I2=blkproc(I,[6 6],[3 3],f);,',...
'imshow(I2)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','关闭',...
'fontsize',14,...
'position',[90 50 70 30],...
'callback','close');
实例68：图形的过滤操作

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','过滤操作');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
I=imread('blood1.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','均平过滤',...
'position',[50 120 50 20],...
'callback',[...
'cla,',...
'I=imread(''blood1.tif'');,',...
'h=fspecial(''average'',6);,',...
'I2=uint8(round(filter2(h,I)));,',...
'imshow(I2)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','Sobel过滤',...
'position',[150 120 50 20],...
'callback',[...
'cla,',...
'I=imread(''blood1.tif'');,',...
'h=fspecial(''sobel'');,',...
'I2=filter2(h,I);,',...
'imshow(I2,[])']);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','关闭',...
'position',[85 60 80 30],...
'callback','close');
实例69：图像的频率操作

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','频率操作');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
b=remez(10,[0 0.4 0.6 1],[1 1 0 0]);
h=ftrans2(b);
[H,W]=freqz(b,1,64,'whole');
colormap(jet(64))
plot(W/pi-1,fftshift(abs(H)))
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','频率变换',...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'b=remez(10,[0 0.4 0.6 1],[1 1 0 0]);,',...
'h=ftrans2(b);,',...
'[H,W]=freqz(b,1,64,''whole'');,',...
'colormap(jet(64)),',...
'freqz2(h,[32 32])']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','频率采样一',...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'Hd=zeros(11,11);,',...
'Hd(4:8,4:8)=1;,',...
'[f1,f2]=freqspace(11,''meshgrid'');,',...
'mesh(f1,f2,Hd),',...
'axis([-1 1 -1 1 0 1.2]),',...
'colormap(jet(64))']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','频率采样二',...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'Hd=zeros(11,11);,',...
'Hd(4:8,4:8)=1;,',...
'H=fsamp2(Hd);,',...
'freqz2(h,[32 32]),',...
'axis([-1 1 -1 1 0 1.2]),',...
'colormap(jet(64))']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','关闭',...
'fontsize',15,...
'position',[80 50 80 30],...
'callback','close');
实例70：函数变换

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','函数变换');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
I=imread('cameraman.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','图像压缩',...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''cameraman.tif'');,',...
'I2=im2double(I);,',...
'imshow(I2)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','图像解压',...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''cameraman.tif'');,',...
'I=im2double(I);,',...
'T=dctmtx(8);,',...
'B=blkproc(I,[8 8],''P1*x*P2'',T,T'');,',...
'mask=[1 1 1 1 0 0 0 0;,',...
'1 1 1 0 0 0 0 0;,',...
'1 1 0 0 0 0 0 0;,',...
'1 0 0 0 0 0 0 0;,',...
'0 0 0 0 0 0 0 0;,',...
'0 0 0 0 0 0 0 0;,',...
'0 0 0 0 0 0 0 0;,',...
'0 0 0 0 0 0 0 0];,',...
'B2=blkproc(B,[8 8],''P1.*x'',mask);,',...
'I2=blkproc(B2,[8 8],''P1*x*P2'',T'',T);,',...
'imshow(I2)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','线条解析',...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''cameraman.tif'');,',...
'BW=edge(I);,',...
'imshow(BW)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','关闭',...
'fontsize',15,...
'position',[80 50 80 30],...
'callback','close');
实例71：RADON函数变换

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例71');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
P=phantom(256);
imshow(P)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','变换一',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'k=1;,',...
'theta1=0:10:170;,',...
'R1=radon(P,theta1);,',...
'imagesc(R1),',...
'colormap(hot),',...
'colorbar']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','变换二',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'k=2;,',...
'theta2=0:5:175;,',...
'R2=radon(P,theta2);,',...
'imagesc(R2),',...
'colormap(hot),',...
'colorbar']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','变换三',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'k=3;,',...
'theta3=0:2:178;,',...
'R3=radon(P,theta3);,',...
'imagesc(R3),',...
'colormap(hot),',...
'colorbar']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','原始图像',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[50 50 70 30],...
'callback',[...
'cla,',...
'if k==1,',...
'I1=iradon(R1,10);,',...
'imshow(I1),',...
'end,',...
'if k==2,',...
'I2=iradon(R2,5);,',...
'imshow(I2),',...
'end,',...
'if k==3,',...
'I3=iradon(R3,2);,',...
'imshow(I3),',...
'end']);
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[150 50 70 30],...
'callback','close');

实例72：图像分析（1）

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例72');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
I=imread('rice.tif');
imshow(I)
k=0;
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','图像轮廓图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 100 60 20],...
'callback',[...
'cla,',...
'k=1;,',...
'I=imread(''rice.tif'');,',...
'imcontour(I)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','SOBEL边界图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 60 20],...
'callback',[...
'cla,',...
'k=2;,',...
'I=imread(''rice.tif'');,',...
'BW=edge(I,''sobel'');,',...
'imshow(BW)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','CANNY边界图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[180 100 60 20],...
'callback',[...
'cla,',...
'k=3;,',...
'I=imread(''rice.tif'');,',...
'BW=edge(I,''canny'');,',...
'imshow(BW)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','灰度调整',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 50 60 20],...
'callback',[...
'cla,',...
'k=4;,',...
'I=imread(''rice.tif'');,',...
'J=imadjust(I,[0.15 0.9],[0 1]);,',...
'imshow(J,64)']);
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'style','pushbutton',...
'string','图像柱状图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[180 50 60 20],...
'callback',[...
'if k==0,',...
'figure,',...
'imhist(I,64),',...
'end,',...
'if k==1,',...
'imhist(I,64),',...
'end,',...
'if k==2,',...
'imhist(BW,64),',...
'end,',...
'if k==3,',...
'imhist(BW,64),',...
'end,',...
'if k==4,',...
'imhist(J),',...
'end']);
b6=uicontrol('parent',h0,...
'units','points',...
'tag','b6',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 50 60 20],...
'callback','close');
实例73：过滤图像

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例73');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
I=imread('eight.tif');
imshow(I)
u1=uimenu('parent',h0,...
'tag','u1',...
'label','添加噪声',...
'backgroundcolor',[0.75 0.75 0.75]);
u11=uimenu('parent',u1,...
'tag','u11',...
'label','SALT&PEPPER噪声',...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'set(u11,''checked'',''on'');,',...
'set(u12,''checked'',''off'');,',...
'cla,',...
'I=imnoise(I,''salt & pepper'',0.02);,',...
'imshow(I)']);
u12=uimenu('parent',u1,...
'tag','u12',...
'label','GAUSSIAN噪声',...
'backgroundcolor',[0.75 0.75 0.75],...
'callback',[...
'set(u12,''checked'',''on'');,',...
'set(u11,''checked'',''off'');,',...
'cla,',...
'I=imnoise(I,''gaussian'',0,0.005);,',...
'imshow(I)']);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','均平过滤',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'J=filter2(fspecial(''average'',3),I)/255;,',...
'imshow(J)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','中值过滤',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'J=medfilt2(I,[3 3]);,',...
'imshow(J)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','自适应过滤',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'J=wiener2(I,[5 5]);,',...
'imshow(J)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[90 50 70 30],...
'callback','close');
实例74：图像的区域处理

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例74');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
I=imread('trees.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','区域过滤一',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''trees.tif'');,',...
'imshow(I),',...
'BW=roipoly;,',...
'h=fspecial(''unsharp'');,',...
'I2=roifilt2(h,I,BW);,',...
'imshow(I2)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','区域过滤二',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'BW=imread(''text.tif'');,',...
'f=inline(''imadjust(x,[],[],0.01)'');,',...
'I2=roifilt2(I,BW,f);,',...
'imshow(I2)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','区域填充',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'load trees,',...
'I=ind2gray(X,map);,',...
'imshow(I),',...
'I2=roifill;,',...
'imshow(I2)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[90 50 70 30],...
'callback','close');
实例75：图像的颜色处置

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例75');
h1=axes('parent',h0,...
'position',[0.12 0.45 0.75 0.5],...
'visible','off');
I=imread('flowers.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','减少颜色',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'[X,map]=imread(''flowers.tif'');,',...
'[Y,map2]=imapprox(X,map,64);,',...
'image(Y),',...
'colormap(map2)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','颜色抖动',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''flowers.tif'');,',...
'[X,map]=rgb2ind(I,128,''nodither'');,',...
'imshow(X)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','颜色转换一',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'I=imread(''flowers.tif'');,',...
'Y=rgb2ntsc(I);,',...
'J=Y(:,:,1);,',...
'imshow(J)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 50 50 20],...
'callback','close');
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'style','pushbutton',...
'string','颜色转换三',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 50 50 20],...
'callback',[...
'cla,',...
'I=imread(''flowers.tif'');,',...
'J=rgb2ycbcr(I);,',...
'imshow(J)']);
b6=uicontrol('parent',h0,...
'units','points',...
'tag','b6',...
'style','pushbutton',...
'string','颜色转换二',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 50 50 20],...
'callback',[...
'cla,',...
'I=imread(''flowers.tif'');,',...
'J=rgb2hsv(I);,',...
'imshow(J)']);
实例76：交换显示图像

h0=figure('toolbar','none',...
'position',[198 56 500 500],...
'name','实例76');
h1=axes('parent',h0,...
'position',[0.15 0.5 0.7 0.5],...
'visible','off');
u1=uimenu('parent',h0,...
'label','加载图像',...
'backgroundcolor',[0.753 0.753 0.753],...
'tag','u1',...
'callback',[...
'[X,map]=imread(''800.jpg'',''jpg'');,',...
'Y=imresize(X,2);,',...
'image(Y),',...
'colormap(map),',...
'axis image,',...
'camva(camva/2.5),',...
'disp(''单击鼠标左键点取需要的点''),',...
'disp(''单击鼠标右键确定最后一个点''),',...
'while 1,',...
'[x,y]=ginput(1);,',...
'if ~strcmp(get(gcf,''selectiontype''),''normal''),',...
'break,',...
'end,',...
'ct=camtarget;,',...
'dx=x-ct(1);,',...
'dy=y-ct(2);,',...
'camdolly(dx,dy,ct(3),''movetarget'',''data''),',...
'drawnow,',...
'end']);
u2=uimenu('parent',h0,...
'label','关闭',...
'backgroundcolor',[0.753 0.753 0.753],...
'tag','u2',...
'callback','close');
实例77：矢量数据的显示

h0=figure('toolbar','none',...
'position',[198 56 450 468],...
'name','实例77');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
load wind
b1huidiao=[...
'cla,',...
'xmin = min(x(:));,',...
'xmax = max(x(:));,',...
'ymax = max(y(:));,',...
'zmin = min(z(:));,',...
'wind_speed = sqrt(u.^2 + v.^2 + w.^2);,',...
'hsurfaces = slice(x,y,z,wind_speed,[xmin,100,xmax],ymax,zmin);,',...
'set(hsurfaces,''FaceColor'',''interp'',''EdgeColor'',''none''),',...
'hcont = contourslice(x,y,z,wind_speed,[xmin,100,xmax],ymax,zmin);,',...
'set(hcont,''EdgeColor'',[.7,.7,.7],''LineWidth'',.5),',...
'[sx,sy,sz] = meshgrid(80,20:10:50,0:5:15);,',...
'hlines = streamline(x,y,z,y,v,w,sx,sy,sz);,',...
'set(hlines,''LineWidth'',2,''Color'',''r''),',...
'view(3),',...
'daspect([2,2,1]),',...
'axis tight'];
b2huidiao=[...
'cla,',...
'wind_speed = sqrt(u.^2 + v.^2 + w.^2);,',...
'hiso = patch(isosurface(x,y,z,wind_speed,40));,',...
'isonormals(x,y,z,wind_speed,hiso),',...
'set(hiso,''FaceColor'',''red'',''EdgeColor'',''none'');,',...
'hcap = patch(isocaps(x,y,z,wind_speed,40),''FaceColor'',''interp'',''EdgeColor'',''none'');,',...
'colormap hsv,',...
'daspect([1,1,1]);,',...
'[f verts] = reducepatch(isosurface(x,y,z,wind_speed,30),0.07);,',...
'h1 = coneplot(x,y,z,u,v,w,verts(:,1),verts(:,2),verts(:,3),3);,',...
'set(h1,''FaceColor'',''blue'',''EdgeColor'',''none'');,',...
'xrange = linspace(min(x(:)),max(x(:)),10);,',...
'yrange = linspace(min(y(:)),max(y(:)),10);,',...
'zrange = 3:4:15;,',...
'[cx,cy,cz] = meshgrid(xrange,yrange,zrange);,',...
'h2 = coneplot(x,y,z,u,v,w,cx,cy,cz,2);,',...
'set(h2,''FaceColor'',''green'',''EdgeColor'',''none'');,',...
'axis tight,',...
'box on,',...
'camproj perspective,',...
'camzoom(1.25),',...
'view(65,45),',...
'camlight(-45,45),',...
'lighting phong,',...
'set(hcap,''AmbientStrength'',.6)'];
b1=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','可视化',...
'position',[50 100 60 20],...
'callback',b1huidiao);
b2=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','锥形图',...
'position',[200 100 60 20],...
'callback',b2huidiao);
b3=uicontrol('parent',h0,...
'style','pushbutton',...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'string','关闭',...
'position',[125 60 60 20],...
'callback','close');
实例78：图像分析（2）

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例78');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
load imdemos flower
imshow(flower)
colormap(copper)
n=size(X,1);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','轮廓图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 100 50 20],...
'callback',[...
'cla,',...
'[X,map]=imread(''flowers.tif'');,',...
'X=double(flower);,',...
'X=(0.25/256)*X;,',...
'C=copper(35);,',...
'set(gca,''colororder'',C(21:35,:),''box'',''on'');,',...
'imcontour(X,3);,',...
'axis([1 n 1 n]),',...
'axis(''ij''),',...
'axis(''square'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','伪彩图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 100 50 20],...
'callback',[...
'cla,',...
'D=-del2(X);,',...
'pcolor(D),',...
'axis([1 n 1 n]),',...
'axis(''ij''),',...
'shading(''flat'')']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','3D表面图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 100 50 20],...
'callback',[...
'cla,',...
'D=-del2(X);,',...
'surf(X,D),',...
'colormap(copper),',...
'axis([1 n 1 n 0 1]),',...
'axis(''ij''),',...
'shading(''flat''),',...
'view(-20,75);']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[80 50 80 30],...
'callback','close');
实例79：图像逻辑操作

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例79');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
load imdemos bacteria
imshow(bacteria)
k1=~(bacteria>100);
k2=filter2(fspecial('laplacian'),bacteria);
k3=(k2>-4)&k1;
k4=erode(k1)&(k3==0);
[r,c]=find(k4);
k5=bwselect(k1,c,r);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','二值分割图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 110 50 20],...
'callback',[...
'cla,',...
'imshow(k1)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','滤波结果图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 110 50 20],...
'callback',[...
'cla,',...
'imshow(k2)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','阈值化图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 110 50 20],...
'callback',[...
'cla,',...
'imshow(k3)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','目标的核',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[30 60 50 20],...
'callback',[...
'cla,',...
'imshow(k4)']);
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'style','pushbutton',...
'string','目标分割图',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 60 50 20],...
'callback',[...
'cla,',...
'imshow(k5)']);
b6=uicontrol('parent',h0,...
'units','points',...
'tag','b6',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 50 20],...
'callback','close');
实例80：进度条的使用

h0=figure('toolbar','none',...
'position',[198 56 350 450],...
'name','实例80');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.6 0.5],...
'visible','off');

I=imread('flowers.tif');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','转换',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[50 80 60 25],...
'callback',[...
'handlek=waitbar(0,''initializing......'');,',...
'pause(0.5),',...
'i=1;,',...
'while i<=100,',...
'waitbar(i/100,handlek,[num2str(i),''%finished''],handlek),',...
'i=i+1;,',...
'pause(0.05),',...
'end,',...
'pause(1.5),',...
'cla,',...
'delete(handlek),',...
'Y=rgb2ntsc(I);,',...
'J=Y(:,:,1);,',...
'imshow(J)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[150 80 60 25],...
'callback','close');
例81：MRI数据的显示

load mri
D = squeeze(D);
h0=figure('toolbar','none',...
'position',[198 56 450 468],...
'name','实例81');
h1=axes('parent',h0,...
'position',[0.3 0.45 0.5 0.5],...
'visible','off');
image_num = 8;
image(D(:,:,image_num))
axis image
colormap(map)
x = xlim;
y = ylim;
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[50 100 60 20],...
'string','二维图',...
'callback',[...
'cla,',...
'contourslice(D,[],[],image_num),',...
'axis ij,',...
'xlim(x),',...
'ylim(y),',...
'daspect([1,1,1]),',...
'colormap(''default'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 100 60 20],...
'string','三维图',...
'callback',[...
'cla,',...
'phandles = contourslice(D,[],[],[1,12,19,27],8);,',...
'view(3);,',...
'axis tight,',...
'set(phandles,''LineWidth'',2)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[50 50 60 20],...
'string','立体图',...
'callback',[...
'cla,',...
'Ds = smooth3(D);,',...
'hiso = patch(isosurface(Ds,5),''FaceColor'',[1,.75,.65],''EdgeColor'',''none'');,',...
'hcap = patch(isocaps(D,5),''FaceColor'',''interp'',''EdgeColor'',''none'');,',...
'colormap(map),',...
'view(45,30),',...
'axis tight,',...
'daspect([1,1,.4]),',...
'lightangle(45,30),',...
'lighting phong,',...
'isonormals(Ds,hiso),',...
'set(hcap,''AmbientStrength'',.6),',...
'set(hiso,''SpecularColorReflectance'',0,''SpecularExponent'',50)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 50 60 20],...
'string','关闭',...
'callback','close');
实例82：图像类型转换

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例82');
h1=axes('parent',h0,...
'position',[0.2 0.45 0.5 0.5],...
'visible','off');
load earth
clims = [10 60];
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','强度图像',...
'position',[30 120 50 20],...
'callback',[...
'cla,',...
'imagesc(X,clims),',...
'colormap(gray)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','索引图像',...
'position',[100 120 50 20],...
'callback',[...
'cla,',...
'image(X),',...
'colormap(map),',...
'axis image']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','真彩图像',...
'position',[170 120 50 20],...
'callback',[...
'cla,',...
'image(X),',...
'axis image']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'style','pushbutton',...
'string','关闭',...
'position',[100 50 50 20],...
'callback','close');
实例83：特殊的图像显示技术

h0=figure('toolbar','none',...
'position',[198 56 350 468],...
'name','实例83');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','颜色条',...
'position',[30 120 50 20],...
'callback',[...
'cla,',...
'I = imread(''plane.jpg'');,',...
'imshow(I),',...
'colorbar']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'position',[100 120 50 20],...
'string','单帧显示',...
'callback',[...
'cla,',...
'load mri,',...
'imshow(D(:,:,:,7))']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','动画显示',...
'position',[30 60 50 20],...
'callback',[...
'cla,',...
'load mri,',...
'montage(D,map),',...
'mov=immovie(D,map);,',...
'colormap(map),',...
'movie(mov)']);
b4=uicontrol('parent',h0,...
'units','points',...
'tag','b4',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','纹理映射',...
'position',[170 60 50 20],...
'callback',[...
'cla,',...
'[x,y,z] = cylinder;,',...
'I = imread(''girls.jpg'');,',...
'warp(x,z,y,I);']);
b5=uicontrol('parent',h0,...
'units','points',...
'tag','b5',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','关闭',...
'position',[100 60 50 20],...
'callback','close');
b6=uicontrol('parent',h0,...
'units','points',...
'tag','b6',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','多帧显示',...
'position',[170 120 50 20],...
'callback',[...
'cla,',...
'load mri,',...
'montage(D,map)']);
实例84：图像的几何操作

h0=figure('toolbar','none',...
'position',[198 56 400 468],...
'name','实例84');
h1=axes('parent',h0,...
'position',[0.25 0.45 0.5 0.5],...
'visible','off');
I=imread('plane.jpg','jpg');
imshow(I)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','图像旋转',...
'position',[200 120 50 20],...
'callback',[...
'cla,',...
'k=str2num(get(e1,''string''));,',...
'I=imread(''plane.jpg'',''jpg'');,',...
'J=imrotate(I,k,''bilinear'');,',...
'imshow(J)']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','图像剪切',...
'position',[200 80 50 20],...
'callback',[...
'cla,',...
'imshow plane.jpg,',...
'I=imcrop;,',...
'imshow(I)']);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','pushbutton',...
'string','关闭',...
'position',[120 30 50 20],...
'callback','close');
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','edit',...
'horizontalalignment','right',...
'position',[50 80 100 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'backgroundcolor',[0.75 0.75 0.75],...
'style','text',...
'string','请输入旋转角度（0～90）度',...
'fontsize',12,...
'position',[40 100 130 20]);
实例85：拉个朗日插值

h0=figure('toolbar','none',...
'position',[200 50 350 450],...
'name','实例85');
h1=axes('parent',h0,...
'position',[0.10 0.45 0.8 0.5],...
'visible','off');
x=0:0.2:2*pi;
y=sin(x);
plot(x,y)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','拉格朗日插值',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 60 70 20],...
'callback',[...
'cla,',...
'strn=get(e1,''string'');,',...
'n=str2num(strn);,',...
'i=1;,',...
'x=0:0.2:2*pi;,',...
'for t=0:0.2:2*pi,',...
'y(i)=sin(t);,',...
'L(i)=lag(t,n);,',...
'i=i+1;,',...
'end,',...
'plot(x,y,''b*'',x,L,''r-''),',...
'legend(''sin(x)'',''插值函数'');,',...
'axis([0 7 -1.5 1.5])']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','误差比较',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 70 20],...
'callback',[...
'strn=get(e1,''string'');,',...
'n=str2num(strn);,',...
'strm=get(e2,''string'');,',...
'm=str2num(strm);,',...
'dd=abs(sin(m)-lag(m,n));,',...
'msgbox([''误差为：'',num2str(dd)],''计算结果'')']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'fontsize',12,...
'string','5',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[50 100 40 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'fontsize',12,...
'string','1.20',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[200 100 40 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','阶数：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 100 30 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','误差点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[160 100 40 20]);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 20 60 20],...
'callback','close');
例86：三次样条插值法

h0=figure('toolbar','none',...
'position',[200 50 350 450],...
'name','实例86');
h1=axes('parent',h0,...
'position',[0.10 0.45 0.8 0.5],...
'visible','off');
x=0:0.2:2*pi;
y=sin(x);
plot(x,y)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','三次样条插值',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 60 70 20],...
'callback',[...
'y=0,',...
'sy=0,',...
'strn1=get(e2,''string'');,',...
'n1=str2num(strn1);,',...
'strn2=get(e3,''string'');,',...
'n2=str2num(strn2);,',...
'x=n1:0.2:n2;,',...
'i=1;,',...
'for t=n1:0.2:n2,',...
'y(i)=sin(t);,',...
'sy(i)=san(t,n1,n2);,',...
'i=i+1;,',...
'end,',...
'plot(x,y,''b*'',x,sy,''r-''),',...
'axis([0 7 -1.5 1.5]),',...
'legend(''sin(x)'',''N-Hermite插值'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','误差比较',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 70 20],...
'callback',[...
'strdn1=get(e2,''string'');,',...
'n1=str2num(strdn1);,',...
'strdn2=get(e3,''string'');,',...
'n2=str2num(strdn2);,',...
'strdn=get(e1,''string'');,',...
'dn=str2num(strdn);,',...
'dd=abs(sin(dn)-san(dn,n1,n2));,',...
'msgbox([''误差为：'',num2str(dd)],''计算结果'')']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'fontsize',12,...
'string','1.20',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[200 100 40 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','误差点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[160 100 40 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'fontsize',12,...
'string','1.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 85 40 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','第一节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[15 105 50 20]);
e3=uicontrol('parent',h0,...
'units','points',...
'tag','e3',...
'style','edit',...
'fontsize',12,...
'string','3.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[100 85 40 20]);
t3=uicontrol('parent',h0,...
'units','points',...
'tag','t3',...
'style','text',...
'string','第二节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[95 105 50 20]);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 20 60 20],...
'callback','close');
实例87：NEWTON插值

h0=figure('toolbar','none',...
'position',[200 50 350 450],...
'name','实例87');
h1=axes('parent',h0,...
'position',[0.10 0.45 0.8 0.5],...
'visible','off');
x=0:0.2:2*pi;
y=sin(x);
plot(x,y)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','牛顿插值',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 60 70 20],...
'callback',[...
'strn=get(e1,''string'');,',...
'n=str2num(strn);,',...
'x=0:0.2:2*pi;,',...
'i=1;,',...
'for t=0:0.2:2*pi,',...
'y(i)=sin(t);,',...
'ynt(i)=newton(t,n);,',...
'i=i+1;,',...
'end,',...
'plot(x,y,''b*'',x,ynt,''r-''),',...
'axis([0 7 -1.5 1.5]),',...
'legend(''sin(x)'',''牛顿插值'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','误差比较',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 70 20],...
'callback',[...
'strn=get(e1,''string'');,',...
'n=str2num(strn);,',...
'strdn=get(e2,''string'');,',...
'dn=str2num(strdn);,',...
'dd=abs(sin(dn)-newton(dn,n));,',...
'msgbox([''误差为：'',num2str(dd)],''计算结果'')']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'fontsize',12,...
'string','5',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[50 100 40 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'fontsize',12,...
'string','1.20',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[200 100 40 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','节点数：（<6）',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[10 100 40 30]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','误差点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[160 100 40 20]);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 20 60 20],...
'callback','close');
实例88：hermite插值

h0=figure('toolbar','none',...
'position',[200 50 350 450],...
'name','实例88');
h1=axes('parent',h0,...
'position',[0.10 0.45 0.8 0.5],...
'visible','off');
x=0:0.2:2*pi;
y=sin(x);
plot(x,y)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','Hermite插值',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 60 70 20],...
'callback',[...
'strn1=get(e2,''string'');,',...
'n1=str2num(strn1);,',...
'strn2=get(e3,''string'');,',...
'n2=str2num(strn2);,',...
'x=0:0.2:2*pi;,',...
'i=1;,',...
'for t=0:0.2:2*pi,',...
'y(i)=sin(t);,',...
'ynt(i)=hermite(t,n1,n2);,',...
'i=i+1;,',...
'end,',...
'plot(x,y,''b*'',x,ynt,''r-''),',...
'axis([0 7 -1.5 1.5]),',...
'legend(''sin(x)'',''Hermite插值'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','误差比较',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 70 20],...
'callback',[...
'strn1=get(e2,''string'');,',...
'n1=str2num(strn1);,',...
'strn2=get(e3,''string'');,',...
'n2=str2num(strn2);,',...
'dn=str2num(strdn);,',...
'dd=abs(sin(dn)-hermite(dn,n1,n2));,',...
'msgbox([''误差为：'',num2str(dd)],''计算结果'')']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'fontsize',12,...
'string','1.20',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[200 100 40 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','误差点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[160 100 40 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'fontsize',12,...
'string','1.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 85 40 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','第一节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[15 105 50 20]);
e3=uicontrol('parent',h0,...
'units','points',...
'tag','e3',...
'style','edit',...
'fontsize',12,...
'string','3.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[100 85 40 20]);
t3=uicontrol('parent',h0,...
'units','points',...
'tag','t3',...
'style','text',...
'string','第二节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[95 105 50 20]);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 20 60 20],...
'callback','close');
实例89：mewton形式的hermite插值

h0=figure('toolbar','none',...
'position',[200 50 350 450],...
'name','实例89');
h1=axes('parent',h0,...
'position',[0.10 0.45 0.8 0.5],...
'visible','off');
x=0:0.2:2*pi;
y=sin(x);
plot(x,y)
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','N-Hermite插值',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 60 70 20],...
'callback',[...
'strn1=get(e2,''string'');,',...
'n1=str2num(strn1);,',...
'strn2=get(e3,''string'');,',...
'n2=str2num(strn2);,',...
'x=0:0.2:2*pi;,',...
'i=1;,',...
'for t=0:0.2:2*pi,',...
'y(i)=sin(t);,',...
'ynh(i)=nhermite(t,n1,n2);,',...
'i=i+1;,',...
'end,',...
'plot(x,y,''b*'',x,ynh,''r-''),',...
'axis([0 7 -1.5 1.5]),',...
'legend(''sin(x)'',''N-Hermite插值'')']);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'style','pushbutton',...
'string','误差比较',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[170 60 70 20],...
'callback',[...
'strdn1=get(e2,''string'');,',...
'n1=str2num(strdn1);,',...
'strdn2=get(e3,''string'');,',...
'n2=str2num(strdn2);,',...
'strdn=get(e1,''string'');,',...
'dn=str2num(strdn);,',...
'dd=abs(sin(dn)-nhermite(dn,n1,n2));,',...
'msgbox([''误差为：'',num2str(dd)],''计算结果'')']);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'fontsize',12,...
'string','1.20',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[200 100 40 20]);
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','误差点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[160 100 40 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'fontsize',12,...
'string','1.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[20 85 40 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','第一节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[15 105 50 20]);
e3=uicontrol('parent',h0,...
'units','points',...
'tag','e3',...
'style','edit',...
'fontsize',12,...
'string','3.00',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[100 85 40 20]);
t3=uicontrol('parent',h0,...
'units','points',...
'tag','t3',...
'style','text',...
'string','第二节点：',...
'fontsize',12,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[95 105 50 20]);
b3=uicontrol('parent',h0,...
'units','points',...
'tag','b3',...
'style','pushbutton',...
'string','关闭',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[100 20 60 20],...
'callback','close');
实例90：平方根法

h0=figure('toolbar','none',...
'position',[200 150 450 250]);
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'r=[a,b];,',...
'n=4;,',...
'tic,',...
'x=ch(a,b,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'msgbox([''X＝['',num2str(x(1)),num2str(x(2)),num2str(x(3)),num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[290 100 30 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 125 80 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','平方根法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例91：gauss消去法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例91');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 2 4 1 7;2 3 0 1 8;4 1 7 6 1;1 1 0 2 1;1 3 0 1 1;];,',...
'b=[15 14 19 5 6]'';,',...
'r=[a,b];,',...
'n=5;,',...
'tic,',...
'x=gauss(r,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'msgbox([''X＝['',num2str(x(1)),num2str(x(2)),num2str(x(3)),num2str(x(4)),num2str(x(5)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[290 100 30 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 125 80 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','GS消去法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例92：三角分解法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例92');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 2 4 1 7;2 3 0 1 8;4 1 7 6 1;1 1 0 2 1;1 3 0 1 1;];,',...
'b=[15 14 19 5 6]'';,',...
'n=5;,',...
'tic,',...
'x=dirang(a,b,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'msgbox([''X＝['',num2str(x(1)),num2str(x(2)),num2str(x(3)),num2str(x(4)),num2str(x(5)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[270 100 50 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 125 80 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','三角分解法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例93：jacobi迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例93');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'n=4;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=jac(a,b,n,u);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','Jacobi 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例94：gauss迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例94');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'n=4;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=gs(a,b,n,u);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','GS 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例95：sor迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例95');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'n=4;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=sor(a,b,n,u);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','SOR 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例96：最速下降法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例96');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'n=4;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=cg(a,b,n,u);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','最速下降法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例97：共额梯度法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例97');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('abmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'a=[1 0 3 0;0 2 1 2;3 1 15 0;0 2 0 4;];,',...
'b=[1 6 5 8]'';,',...
'n=4;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=getd(a,b,n,u);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'','',num2str(x(4)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 100 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','共轭梯度法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例98：mewton迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例98');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('fabmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'n=3;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=nnewton(u,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','非线性方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 150 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','Newton 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例99：broyden迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例99');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('fabmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'n=3;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=broyden(u,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','非线性方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 150 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','Broyden 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 60 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 60 20],...
'callback','close');
实例100：逆broyden迭代法

h0=figure('toolbar','none',...
'position',[200 150 450 250],...
'name','实例100');
h1=axes('parent',h0,...
'position',[0.05 0.15 0.65 0.6],...
'visible','off');
I=imread('fabmatrix.bmp','bmp');
image(I)
axis off
huidiao=[...
'n=3;,',...
'u=zeros(n,1);,',...
'tic,',...
'[x,k]=fbroyden(u,n);,',...
'time1=toc;,',...
'T=num2str(time1);,',...
'set(e1,''string'',[T,''秒'']);,',...
'set(e2,''string'',num2str(k));,',...
'msgbox([''X＝['',num2str(x(1)),'' '',num2str(x(2)),'' '',num2str(x(3)),'']''],''方程组的解'');'];
t1=uicontrol('parent',h0,...
'units','points',...
'tag','t1',...
'style','text',...
'string','非线性方程组如下：',...
'fontsize',15,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[20 150 150 20]);
e1=uicontrol('parent',h0,...
'units','points',...
'tag','e1',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 130 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','计算时间：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 130 50 20]);
e2=uicontrol('parent',h0,...
'units','points',...
'tag','e2',...
'style','edit',...
'horizontalalignment','right',...
'backgroundcolor',[1 1 1],...
'position',[295 100 35 20]);
t2=uicontrol('parent',h0,...
'units','points',...
'tag','t2',...
'style','text',...
'string','迭代步数：',...
'fontsize',10,...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[240 100 50 20]);
b1=uicontrol('parent',h0,...
'units','points',...
'tag','b1',...
'style','pushbutton',...
'string','逆Broyden 迭代法',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 60 70 20],...
'callback',huidiao);
b2=uicontrol('parent',h0,...
'units','points',...
'tag','b2',...
'string','关闭',...
'style','pushbutton',...
'backgroundcolor',[0.75 0.75 0.75],...
'position',[250 30 70 20],...
'callback','close');
XOR

function [x,st]=sor(a,b,n,x1)
D=zeros(n,n);
L=zeros(n,n);
U=zeros(n,n);
for i=1:n
for j=1:n
if j==i
D(i,j)=a(i,j);
end
if j<i
L(i,j)=-a(i,j);
end
if j>i
U(i,j)=-a(i,j);
end
end
end
opt=oumiga(a);
Bsor=inv(D-opt*L)*[(1-opt)*D+opt*U];
fsor=opt*inv(D-opt*L)*b;
k=1;
x2=Bsor*x1+fsor;
e=x2-x1;
while norm(e,2)>1e-6
k=k+1;
x1=x2;
x2=Bsor*x1+fsor;
e=x2-x1;
end
x=x2;
st=k;

───┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────┬─────
n\v │ 0.010 │ 0.015 │ 0.020 │ 0.025 │ 0.030 │ 0.035 │ 0.040 │ 0.045 │ 0.050 │ 0.055 │ 0.060 │ 0.065 │ 0.070 │ 0.075 │ 0.080 │ 0.085 │ 0.090 │ 0.095 │ 0.100
───┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────┼─────
4 │* 306.880 │* 204.597 │* 153.458 │* 122.778 │* 102.326 │* 87.719 │* 76.766 │* 68.248 │* 61.434 │* 55.861 │* 51.217 │* 47.289 │* 43.923 │* 41.007 │* 38.455 │* 36.205 │* 34.205 │* 32.417 │* 30.808
5 │* 266.825 │* 177.893 │* 133.431 │* 106.755 │* 88.974 │* 76.275 │* 66.752 │* 59.346 │* 53.423 │* 48.578 │* 44.542 │* 41.127 │* 38.201 │* 35.666 │* 33.449 │* 31.493 │* 29.755 │* 28.201 │* 26.803
6 │ 242.2118 │ 161.4847 │ 121.1241 │ 96.9103 │ 80.7697 │ 69.2425 │ 60.5987 │ 53.8769 │ 48.5008 │ 44.1032 │ 40.4396 │ 37.3405 │ 34.6850 │ 32.3844 │ 30.3722 │ 28.5973 │ 27.0203 │ 25.6100 │ 24.3413
7 │ 225.4804 │ 150.3305 │ 112.7585 │ 90.2177 │ 75.1926 │ 64.4621 │ 56.4157 │ 50.1588 │ 45.1545 │ 41.0611 │ 37.6510 │ 34.7665 │ 32.2948 │ 30.1535 │ 28.2807 │ 26.6289 │ 25.1613 │ 23.8488 │ 22.6681
───┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────┴─────

你好牛逼！

太好了 ,谢谢

这么专业！
能问一下你是干什么工作的吗，我的毕业论文就是用MATLAB处理图像，但是现在感觉一点都没有用，还不如PS。。。