MATLAB: Help to plot a Surface plot of: z = y sin x – x cos y

Question

Require help on plotting this suface plot for the fuction:

z = y sin x – x cos y

using a grid of:

-5<x<5 in steps of 0.2

-5<y<5 in steps of 0.2

Any guidance would be much appreciated

Thanks

Answer 1

[X,Y] = meshgrid(-5:.2:5);
Z = Y .* sin(X) - X .* cos(Y);
surf(X,Y,Z)