On Wed, Jan 20, 2010 at 02:02:05PM -0800, Jason Grout wrote: > William Stein wrote: > >I argue for keeping the current design when I'm *doing* math. > >I argue for changing echelon_form to return something over the > >fraction field when I'm teaching undergraduates.
+1 Luckily enough, in France, the students know this as (result of) Gauss elimination, and later learn the general concept of echelon form. > Which is exactly why I think the best solution is to just have a > .rref() command, which is what we would use with students (and what > they are probably more used to anyway). +1 (well, my students would be looking for gaussElim, but that might just be a residue of Maple/MuPAD). Best, Nicolas -- Nicolas M. ThiƩry "Isil" <nthi...@users.sf.net> http://Nicolas.Thiery.name/
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