[SciPy-Dev] Sparse generalized eigenvalue problems
Nils Wagner
nwagner at iam.uni-stuttgart.de
Fri Apr 8 08:06:10 EDT 2011
On Fri, 8 Apr 2011 11:34:58 +0000 (UTC)
Pauli Virtanen <pav at iki.fi> wrote:
>Fri, 08 Apr 2011 10:46:54 +0200, Nils Wagner wrote:
>> what is recommended to tackle sparse generalized
>>eigenvalue problems in
>> scipy?
>
> Writing a patch that adds support for generalized
>eigenvalue problems to
> eigs :)
>
> The necessary low-level ARPACK routines can be found in
> scipy.sparse.linalg.eigen.arpack._arpack -- in principle
>you can use
> those directly, although they shouldn't be treated as
>public.
>
> --
> Pauli Virtanen
>
BTW, which version of Arpack is used by scipy ?
I found an interesting comment by Andreas Klöckner. See
http://mathema.tician.de/node/373
for details.
http://mathema.tician.de/software/arpack
Nils
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