Question

用matlab画出这个函数的图 z=x.^2+y.^2+sin(x*y)

Answer 1

xx=-5:0.1:5;

yy=xx;

[x,y]=meshgrid(xx,yy);

z=x.^2+y.^2+sin(x.*y);

subplot(1,2,1)

mesh(x,y,z)

subplot(1,2,2)

contour(x,y,z)

colorba