【编程学习】matlab实用程序百例

宝宝

<><FONT size=1><b><EM>实例20：图形的隐藏属性</EM></b></FONT></P><>function shili20
h0=figure('toolbar','none',...
    'position',[200 150 450 300],...
    'name','实例20');
subplot(1,2,1)
[x,y,z]=sphere(10);
mesh(x,y,z)
axis off
title('Figure1:Opaque')
hidden on</P><>subplot(1,2,2)
[x,y,z]=sphere(10);
mesh(x,y,z)
axis off
title('Figure2:Transparent')
hidden off</P>

yxabc

<>你好</P><>请问这些编程是用那种工具编写的，c语言，vb  ，还是别的呢？</P>

宝宝

<>这是matlab程序。至于matlab是用那种程序作出来我就不知道拉。</P>

宝宝

<>这是matlab程序。至于matlab是用那种程序作出来我就不知道拉。</P>

宝宝

<><FONT size=1><b><EM>实例21PEAKS函数曲线</EM></b></FONT></P><>function shili21
h0=figure('toolbar','none',...
    'position',[200 100 450 450],...
    'name','实例21');
[x,y,z]=peaks(30);
subplot(2,1,1)
x=x(1,;
y=y(:,1);
i=find(y&gt;0.8&amp;y&lt;1.2);
j=find(x&gt;-0.6&amp;x&lt;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')</P><>
subplot(2,1,2)
x=x(1,;
y=y(:,1);
i=find(y&gt;0.8&amp;y&lt;1.2);
j=find(x&gt;-0.6&amp;x&lt;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')
</P>

宝宝

<><FONT size=1><b><EM>实例22：片状图</EM></b></FONT></P><>function shili22
h0=figure('toolbar','none',...
    'position',[200 150 550 350],...
    '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');</P><>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');</P>

宝宝

<><FONT size=1><b><EM>实例23：视角的调整</EM></b></FONT></P><>function shili23
h0=figure('toolbar','none',...
    'position',[200 150 450 350],...
    'name','实例23');
x=-5:0.5:5;
[x,y]=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)</P><>subplot(2,2,2)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure2')
view(-37.5+90,30)</P><P>subplot(2,2,3)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure3')
view(-37.5,60)</P><P>subplot(2,2,4)
surf(x,y,z)
xlabel('X-axis')
ylabel('Y-axis')
zlabel('Z-axis')
title('Figure4')
view(180,0)</P>

宝宝

<><FONT size=1><b><EM>实例24：向量场的绘制</EM></b></FONT></P><>function shili24
h0=figure('toolbar','none',...
    'position',[200 150 450 350],...
    'name','实例24');
subplot(2,2,1)
z=peaks;
ribbon(z)
title('Figure1')</P><>subplot(2,2,2)
[x,y,z]=peaks(15);
[dx,dy]=gradient(z,0.5,0.5);
contour(x,y,z,10)
hold on
quiver(x,y,dx,dy)
hold off
title('Figure2')</P><P>subplot(2,2,3)
[x,y,z]=peaks(15);
[nx,ny,nz]=surfnorm(x,y,z);
surf(x,y,z)
hold on
quiver3(x,y,z,nx,ny,nz)
hold off
title('Figure3')</P><P>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')</P>

宝宝

<><FONT size=1><b><EM>实例25：灯光定位</EM></b></FONT></P><>function shili25
h0=figure('toolbar','none',...
    'position',[200 150 450 250],...
    'name','实例25');
vert=[1 1 1;1 2 1;
    2 2 1;2 1 1;
    1 1 2;1 2 2;
    2 2 2;2 1 2];
fac=[1 2 3 4;2 6 7 3;
    4 3 7 8;1 5 8 4;
    1 2 6 5;5 6 7 8];
grid off
sphere(36)
h=findobj('type','surface');
set(h,'facelighting','phong',...
    'facecolor',...
    'interp',...
    'edgecolor',[0.4 0.4 0.4],...
    'backfacelighting',...
    'lit')
hold on
patch('faces',fac,'vertices',vert,...
    'facecolor','y');
light('position',[1 3 2]);
light('position',[-3 -1 3]);
material shiny
axis vis3d off
hold off</P>

宝宝

<><FONT size=1><b>实例26：柱状图</b></FONT></P><>function shili26
h0=figure('toolbar','none',...
    'position',[200 50 450 450],...
    'name','实例26');
subplot(2,1,1)
x=[5 2 1
    8 7 3
    9 8 6
    5 5 5
    4 3 2];
bar(x)
xlabel('X轴');
ylabel('Y轴');
title('第一子图');</P><>subplot(2,1,2)
y=[5 2 1
    8 7 3
    9 8 6
    5 5 5
    4 3 2];
barh(y)
xlabel('X轴');
ylabel('Y轴');
title('第二子图');</P>