Thanks, Fabio, that seems to solve my problem indeed!
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What about
http://groups.google.com/group/sage-devel/browse_thread/thread/90ae1dcee213a9c7?pli=1?
Fabio
On Sun, Feb 1, 2009 at 8:20 AM, John Matrix wrote:
>
>
> Hi David and Minh,
>
> Thanks for your comments!
> @David
> In the worst case, the matrix will have roughly 17000 rows and
> columns.
Hi David and Minh,
Thanks for your comments!
@David
In the worst case, the matrix will have roughly 17000 rows and
columns. I could reduce it with some effort, but I'll first
try to figure out if it's worth it. I don't know Python very
well, but I could probably learn that much. Alternatively,
I
Hi John,
On Sun, Feb 1, 2009 at 3:18 PM, John Matrix wrote:
[...]
> I'd like to read a very large integer dense square matrix into sage
> from a file, in order to determine its rank. I could not find much
> information on what format I should store the matrix in, and what
> commands to use to re
I guess it depends on what "very large" means.
Do you know any Python? If so, one option is just
read in the file of entries then write a python/sage script
to create the matrix in Sage from that. I think large integer
matrices use linbox, which I think is easily capable of some
matrix computation
