examp5_9.m

matlab的大量实例代码

xx=linspace(-3,3,15); yy=linspace(-2,2,15);
[x,y]=meshgrid(xx,yy);
z=(x.^2-2*x).*exp(-x.^2-y.^2-x.*y);
mesh(xx,yy,z); axis([-3,3,-2,2,-0.6,1.2])

plot3(yout(:,2),yout(:,1),yout(:,3),'.'); axis([-3,3,-2,2,-0.6,1.2])