You just need a program that can compute the Smith normal form of an integer matrix. Sage is a good choice and can conveniently be used from a web browser.
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ALAGAR VROY A(2007)A comparative study of algorithms for computing the Smith normal form of an integer matrix†International Journal of Systems ...
Apr 17, 2012 · add an integer multiple of row to another row (or an integer multiple of a column to another column). The first goal is to reach diagonal form.
INTRODUCTION. Let A, B be two matrices over a principal ideal domain R which are the same size. B is said to be equivalent (over R) to A if there exist ...
The determinant is found by computing the Smith form of the integer matrix, an extremely useful canonical form in itself. Our algorithm is probabilistic of the ...
Let A be a nonzero matrix with integer coefficients and let d = d(A). Then we can use row and column operations to transform A into a matrix B with t(B) = d.
May 9, 2023 · Depending on context, the Smith normal form of A is either just the diagonal matrix D, or a Smith normal form decomposition of A is the tuple (P ...
Sep 25, 2011 · A is an m × n nonzero matrix of integers. We find unimodular m × m matrix P, unimodular n × n matrix Q and SNF(A), such that PAQ=SNF(A).
A comparative study of algorithms for computing the Smith normal form of an integer matrix · Computer Science, Mathematics · 1984.
The Smith normal form of a matrix is diagonal, and can be obtained from the original matrix by multiplying on the left and right by invertible square matrices.