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-.
Remove NaN ?
Construct an index vector from two input vectors in vectorized fashion
Sum of diagonals elements of a matrix
Create a square matrix with given conditions
Find neighbor triangle indices
Query a vertex neighbors
Query every vertices neighbor indices
Find a common vertex
Query edges list
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