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                        Smith normal form basis

                        Reading time: 1min

                        Let A be a non-zero m×n matrix over a principal ideal domain (PID). Then, there exist invertible m×m and n×n matrices S and T, so that

                        where the diagonal elements satisfy αi|αi+1. They are called invariant factors.

                        Syntax

                        smith_normal_form_basis(Matrix)
                        

                        Description

                        Given a matrix, returns a list: the first element is matrix S, the second element is the diagonal matrix and the third element is T.

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                        Smith normal form basis

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