Reduced row echelon form: Difference between revisions
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=={{header|Maxima}}==
<lang maxima>rref(a):=block([p,q,k],[p,q]:matrix_size(a),a:echelon(a),
k:min(p,q),
for i thru min(p,q) do (if
for i:k thru 2 step -1 do (for
a)$
[26,41,-54,24,23],
rref(m);▼
[33,70,59,15,-68],
matrix([1,0,0,-8],[0,1,0,1],[0,0,1,-2])</lang>▼
[43,16,29,-52,-61],
[-43,20,71,88,11])$
=={{header|Objeck}}==
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