i4mat_rref2


i4mat_rref2, a MATLAB code which computes a version of the reduced row echelon form (RREF) of an integer matrix.

Licensing:

The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.

Languages:

i4mat_rref2 is available in a MATLAB version.

Related Data and Programs:

i4mat_rref2_test

polyominoes, a MATLAB code which defines, solves, and plots a variety of polyomino tiling problems, which are solved by a direct algebraic approach involving the reduced row echelon form (RREF) of a specific matrix, instead of the more typical brute-force or backtracking methods.

row_echelon_integer, a MATLAB code which carries out the exact computation of the integer row echelon form (IREF) and integer reduced row echelon form (IRREF) of an integer matrix.

rref_test, a MATLAB code which calls rref() for the reduced row echelon form (RREF) of a matrix, which can be singular or rectangular.

Reference:

  1. Charles Cullen,
    Linear Algebra with Applications,
    Second Edition,
    Pearson, 1997,
    ISBN: 978-0673993861.
  2. Charles Cullen,
    An Introduction to Numerical Linear Algebra,
    PWS Publishing Company, 1994,
    ISBN: 978-0534936903,
    LC: QA185.D37.C85.

Source Code:


Last revised on 02 February 2019.