Info : T is actually a triangulation -list of triangles-, in which each index corresponding to the row index of a vertex in another list -a vertices list-, it is a widely used technique used to store and write triangular meshes in mesh processing. Here below the example is a tetrahedron -4 facets-.
Determine if a Given Number is a Triangle Number
Number of Circles in a Number
Determine Whether an array is empty
Some Assembly Required
Find triangles from edge
Find neighbor triangle indices
Find edges from a vertex
Remove duplicated vertices
Remove duplicated triangles
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