[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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