Hi all,
this is now #12370, patch ready for review at [1].
When making the proposed change I spotted an inconsistency in
the error messages when calling A.determinant() for A a non-square
matrix. If A is defined over QQ the error message says
ValueError: incompatible matrix dimensions
whereas o
Hi William,
On 25 Jan., 19:30, William Stein wrote:
> > Small improvement, but an improvement. Also, I observed that some
> > matrix functions use hand-made caches. Should we change those to use
> > @cahced_method instead, or is this done by some design reason?
>
> There was no cached_method when
On Wed, Jan 25, 2012 at 11:45 AM, javier wrote:
> Hi William,
>
> On Jan 25, 6:30 pm, William Stein wrote:
>> I think is_singular should raise a ValueError if the input matrix is
>> not square.
>
> Sure, that makes sense. My main point was arguing for the convenience
> of using rank rather than d
Hi William,
On Jan 25, 6:30 pm, William Stein wrote:
> I think is_singular should raise a ValueError if the input matrix is
> not square.
Sure, that makes sense. My main point was arguing for the convenience
of using rank rather than determinant.
> That is probably a good idea over ZZ or QQ and
