'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
实例26：柱状图 function shili26
h0=figure('toolbar','none',...
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/3.txt[2010/5/14 1:14:30]
'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'); 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');
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/3.txt[2010/5/14 1:14:30]
实例27：设置照明方式 function shili27
h0=figure('toolbar','none',...
'position',[200 150 450 350],... '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
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/4.txt[2010/5/14 1:14:30]
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',[200 150 450 350],... 'name','实例28'); subplot(2,1,1) alpha=90:-10:0; r=ones(size(alpha)); m=alpha*pi/180; n=r*10; [u,v]=pol2cart(m,n); feather(u,v) title('羽状图') axis([0 20 0 10])
subplot(2,1,2) t=0:0.5:10;
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/4.txt[2010/5/14 1:14:30]
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',[200 150 450 250],... 'name','实例29'); [x,y,z]=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,[1 -1 1],30) dx=get(h1,'xdata'); dy=get(h1,'ydata'); dz=get(h1,'zdata'); delete(h1)
slice(x,y,z,v,[-2 2],2,-2) hold on slice(x,y,z,v,dx,dy,dz) hold off axis tight
file:///E|/Document/发展篇/M&M/竞赛篇/常用算法/matlab 实例/4.txt[2010/5/14 1:14:30]