William Stein wrote:
> On Sat, Feb 28, 2009 at 2:49 PM, Jason Bandlow <jband...@gmail.com> wrote:
>> This seems like a bug to me:
>>
>> sage: dd = {(0,0):1}
>> sage: %timeit matrix(8,dd).det()
>> 10 loops, best of 3: 213 ms per loop
>> sage: %timeit matrix(8,dd,sparse = False).det()
>> 100 loops, best of 3: 629 µs per loop
>>
>> Should I open a ticket?
>>
>
> That is not a bug, but a lack of an optimization. You should
> open an enhancement ticket. Likely the fix will be to implement
> a 1-line function that is just
>
> return self.dense_matrix().det(*args, **kwds)
>
> until there is somebody who wants to implement a sparse algorithm.
>
> William
http://sagetrac.org/sage_trac/ticket/5402
Thanks,
Jason
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