On Apr 5, 7:43 am, William Stein wrote:
> On Sat, Apr 4, 2009 at 2:20 PM, Kwankyu wrote:
>
> > In the example above, R(3)^-1 produces the right answer (my mistake).
> > Anyway the ticket for inverse operation for matrices over integer mod
> > ring is now in Ticket #5683.
>
> > Kwankyu
>
> I po
On Sat, Apr 4, 2009 at 2:20 PM, Kwankyu wrote:
>
> In the example above, R(3)^-1 produces the right answer (my mistake).
> Anyway the ticket for inverse operation for matrices over integer mod
> ring is now in Ticket #5683.
>
> Kwankyu
I posted a patch at http://trac.sagemath.org/sage_trac/ticke
In the example above, R(3)^-1 produces the right answer (my mistake).
Anyway the ticket for inverse operation for matrices over integer mod
ring is now in Ticket #5683.
Kwankyu
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On Sat, Apr 4, 2009 at 1:12 PM, Kwankyu wrote:
>
> Thanks Robert. But inverse operation in non integral domain is not
> supposed to be implemented in Sage? or is it just a missing feature
> yet?
Missing feature. Somebody should *definitely* implement this. A
first reasonable thing would be "li
Thanks Robert. But inverse operation in non integral domain is not
supposed to be implemented in Sage? or is it just a missing feature
yet?
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On Apr 4, 2009, at 12:55 PM, Kwankyu wrote:
> Hi,
>
> I get this:
>
> sage: R=IntegerModRing(8)
> sage: m=matrix(R,2,[2,1,3,3]);m.det()
> sage: m.inverse()
> Traceback (most recent call last):
> ...
> TypeError: self must be an integral domain.
> sage: m^-1
> Traceback (most recent call last):
>
