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-.
Back to basics 1 - Saving
Back to basics 21 - Matrix replicating
Find the largest value in the 3D matrix
Make a run-length companion vector
Fix the last element of a cell array
Find triangles from edge
Find a common edge
Remove duplicated vertices
Remove duplicated triangles
Find neighbor triangle indices
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