MATLAB Function Reference Volume 1: A - E - Bad Request

delaunay
2-418
Delaunay
triangulation
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Example 2. Create a 2-D grid then use trisurf to plot its Delaunay
triangulation in 3-D space by using 0s for the third dimension.
[x,y] = meshgrid(1:15,1:15);
tri = delaunay(x,y);
trisurf(tri,x,y,zeros(size(x)))
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Voronoi
diagram