[SciPy-dev] the current state and future directions of the sparse solvers
Wed Apr 9 12:41:01 CDT 2008
On Wed, 9 Apr 2008 09:45:28 +0200
"Ondrej Certik" <email@example.com> wrote:
> On Tue, Apr 8, 2008 at 11:00 PM, Nils Wagner
> <firstname.lastname@example.org> wrote:
>> On Tue, 8 Apr 2008 22:46:34 +0200
>> > OK, that sounds very good. I am going to study how to
>> >start such a
>> > scikit and we are going to move our additional
>> >we have in
>> > sfepy to it (pysparse, soon petsc4py) -- are you ok
>> >that Robert?
>> > :) Plus umfpack. Plus the eigensolvers, like primme,
>> >blzpack and
>> > others.
>> AFAIK Jacobi-Davidson is part of pysparse.
>> And you probably know slepc
> Of course. Even the authors of slepc personally. It's a
> but unfortunately, slepc is not a free software, so I
>don't want to
> depend on it.
> I think and I hope Jose (one of the authors) will
>release it as
> opensource in couple years, but for now it is not.
>> And polyeig ... How about that ?
> You mean this?
> I don't need it for my problems, so... :)
>> For nonlinear eigenvalue problems, see
> Thanks, I didn't know about this one.
BTW, it would be great to have solvers for certain
(linear) matrix equations i.e. Lyapunov, Sylvester,
Riccati, Stein ... in SciPy / Scikits.
Unfortunately slicot is not a free software.
Any comments ?
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