Error Using Surface Plot

Question

Franklyn Dunbar 2017-5-2

回答： Walter Roberson 2017-5-2

Trying to make a three dimensional plot, with the third array being a function of the first two (long,lat,altitude for example).

To try get the syntax right, I am using a practice script.

Why would using the surf function following meshgrid on three variables not work?

q = [1:.1:15];
w = [1:.1:15];
zz = [1:.1:15];
[Q, W, ZZ] = meshgrid(q,w,zz);
figure(2)
surf(Q,W,ZZ)
colorbar

Answer 1

Walter Roberson 2017-5-2

Your Q, W, and ZZ variables are going to be 3D because you are using meshgrid() on 3 inputs.

The three inputs to surf() need to be 2D.

surf() cannot be used to create volume plots.