On Jan 8, 8:31 am, Vegard Lima vegard.l...@gmail.com wrote:
sage: C = random_matrix(ZZ, 10, 80, distribution='uniform')
sage: C.ncols() - (C.right_kernel().dimension() + C.rank())
More specifically:
sage: C.right_kernel()
Free module of degree 80 and rank 80 over Integer Ring
Echelon basis
I made a ticket here: http://trac.sagemath.org/sage_trac/ticket/12280
Hopefully we can fix this at the bug days 35.5 ;-)
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