Advanced Plotting and Model Building - FET

Example to plot 3D
5-64
If you want to see the famous Mexican hat
, type the following commands :
>> [x y] = meshgrid(-8:0.5:8);
>> r = sqrt(x.ˆ2 + y.ˆ2) + eps;
>> z = sin(r)./r;
>> mesh(z);
Why + eps ?
Try surf(z) to generate a faceted (tiled)
view of the surface.
Then try with surf(z) the shading
interp command.
Z.R.K