matlab 为什么我这个成不了曲面的像

Question

x=-10:5:10;
y=-10:5:10;
[X,Y]=meshgrid(x,y)
z=sin(X)+cos(Y)
subplot(1,2,1)
mesh(X,Y,z)
subplot(1,2,2)
surf(X,Y,z)

Answer 1

x=-10:0.5:10;
y=-10:0.5:10;
[X,Y]=meshgrid(x,y)
z=sin(X)+cos(Y)
subplot(1,2,1)
mesh(X,Y,z)
subplot(1,2,2)
surf(X,Y,z)

不够细