ex4_23.m

源代码集合

[x,y] = meshgrid(-3:0.1:3,-2:0.1:2);
z=(x.^2-2*x).*exp(-x.^2-y.^2-x.*y);
surf(x,y,z), shading flat; axis([-3 3 -2 2 -0.7 1.5])

[a,b]=view; view(-a,b)