This looks like a very serious bug to me. I can confirm that the bug
occurs with 4.8.alpha6 and 5.0.prealpha.
John
On 8 January 2012 13:31, Vegard Lima wrote:
> Sorry for replying to myself but after a bit of further digging
> it appears that numpy didn't have anything to do with this.
> It was
Sorry for replying to myself but after a bit of further digging
it appears that numpy didn't have anything to do with this.
It was just the route by which I came across the following problem:
sage: C = random_matrix(ZZ, 10, 80, distribution='uniform')
sage: C.ncols() - (C.right_kernel().dimension(
