How can I generate a 2D triangular domain for plotting a 3D surf on it?

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Moein 2016-1-19

Hi friends

I want to generate a equilateral triangular domain (attached photo) for plotting a 3D surf.

i used the following code to generate it but it doesn't work! I want a similar code to generate the mentioned domain.

x=linspace(0,0.8660254,30);
y=linspace(-0.5773502692.*x,0.5773502692.*x,30);
[x, y]=meshgrid(x, y);

If you know please answer to my question as simple as you can.

Thanks a lot

MATLAB Graphics 2-D and 3-D Plots Surfaces, Volumes, and Polygons Surface and Mesh Plots

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