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
Sum the elements in either diagonal of a square matrix
Write a function man that takes a row vector v and returns a matrix H as follows..
create a square matrix
Replicate and Tile an Array
Find neighbor triangle indices
Query edges list
Find triangles from edge
Query a vertex neighbors
Find a common edge
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