out of core exact linear algebra

asked 2012-03-21 17:21:05 +0100

tagitagi gravatar image

I'm trying to solve a large (17000x250000) sparse (density=0.01) system over the rationals. Are there any routines in Sage (or out) that could give the reduced row echelon form, or the null space?

Everything I've looked into either runs out of memory or isn't exact.

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