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-.
Triangle Numbers Below N
vectorization in N
05 - Vector Equations 1
Test Problem; Create a 5x5 array containing all ones
generate the matrix
Remove duplicated vertices
Remove duplicated triangles
Find a common vertex
Find edges from a vertex
Find neighbor triangle indices
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