Patrick Gelin wrote:
> I find-out a module to calculate the reduced row form.
>
> http://perso.univ-rennes1.fr/antoine.chambert-loir/2006-07/a6/maxima.html
>
> I tested it, it looks fine. This is the result for my exemple:
>
> (%i15) load(rref);
> (%o15) /usr/share/maxima/5.10.0/share/matrix/rref.mac
> (%i16) rref(%o11);
> (%o16) matrix([1,0,1,0,1],[0,1,-2,0,3],[0,0,0,1,-5],[0,0,0,0,0])
>
> and it's ok!
>
> Thank you for your help!
>
> Patrick
Wow! Antoine Chambert-Loir is a respected mathematician, Maxima is gaining
traction! Note that the link gives a better echelon program that the one in
maxima, it could be incorporated in maxima.