On Aug 28, 9:16 pm, "William Stein" <[EMAIL PROTECTED]> wrote:
> On 8/28/07, mabshoff <[EMAIL PROTECTED]> wrote:
>
> > It computes the determinant as follows:
>
> > sage: M=Matrix(Integers(),20,20,L)
> > sage: M.det()
> > 3951360
> > sage: M.rank()
> > 20
> > Can anybody verify that this is the correct result?
>
> Yep, via PARI (also in SAGE):
>
> sage: gp(M).matdet()
> 3951360
>
> or via the charpoly command:
> sage: M.charpoly()[0]
> 3951360
>
> Thanks!!
>
Great. I should actually use Sage more instead of just hacking around
it. Than I could have done that in a second, too.
>
>
> > I am rerunning sage -testall at the moment to make sure that nothing
> > else is negatively affected by the fix.
>
sage -testall passed.
> > Once more: kudos to Clement.
>
> > Cheers,
>
> > Michael
>
Cheers,
Michael
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