i4mat_rref2_test, an Octave code which calls i4mat_rref2(), which computes a version of the reduced row echelon form (RREF) of an integer matrix.
The computer code and data files described and made available on this web page are distributed under the MIT license
i4mat_rref2, an Octave code which computes a version of the reduced row echelon form of an integer matrix.