shili24.m

matlab 6.0 时尚百例的21-30的代码

function shili24
subplot(221)
z=peaks;
ribbon(z)
title('F1')

subplot(222)
[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('F2')


subplot(223)
[x,y,z]=peaks(15)
[nx,ny,nz]=surfnorm(x,y,z);
surf(x,y,z)
%绘制三维图形
hold on
quiver3(x,y,z,nx,ny,nz)
hold off
title('F3')


subplot(224)
x=rand(3,5);
y=rand(3,5);
z=rand(3,5);
c=rand(3,5);
fill3(x,y,z,c)
grid on
title('F4')