How to make rectangular meshgrid

Hi i wanted to how can we create and plot a rectangular meshgrid. Thanks in advance

Answer 1

[Walter Roberson]

Example:

[X, Y] = meshgrid( linspace(-2,2), linspace(-pi, pi) );
Z = X/10 + X .* sin(Y);
surf(X, Y, Z, 'edgecolor', 'none');