实例20：图形的隐藏属性 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 subplot(1,2,2) [x,y,z]=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',[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>0.8&y<1.2); j=find(x>-0.6&x<0.5);
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]
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',[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);
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]
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',[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) subplot(2,2,2) surf(x,y,z)
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]
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',[200 150 450 350],... 'name','实例24'); subplot(2,2,1) z=peaks; ribbon(z) title('Figure1')
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]
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') 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') 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',[200 150 450 250],...
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]