rref
Mathematical Programming with Python
https://people.sc.fsu.edu/~jburkardt/classes/...
python_2025/rref/rref.html

rref: interactive Elementary Row Operations (ERO) to transform a matrix to Reduced Row Echelon Form (RREF).

Lecture notes:

• rref.pdf

• is_rref.py, is_rref(A) reports whether matrix A is in reduced row echelon form.

• rref_compute.py, RREF=rref_compute(A) returns the reduced row echelon form of matrix A.

• ref.py
• rref.py
• rref2.py