[SciPy-user] sparse matrix eigenvector/value solver

christopher taylor christopher.paul.taylor@gmail....
Fri Jan 30 10:18:24 CST 2009


With a little greping, I found it!

Look in scipy/sparse/linalg/eigen/arpack/speigs.py

There's a function,  ARPACK_eigs that returns eigenvals and eigenvecs.

Cheers!

ct

On Fri, Jan 30, 2009 at 11:05 AM,  <josef.pktd@gmail.com> wrote:
> On Fri, Jan 30, 2009 at 10:37 AM, christopher taylor
> <christopher.paul.taylor@gmail.com> wrote:
>> I've been reading through scipy.sparse.* for some way to solve for
>> eigenvectors and values without much success. I found a PySparse
>> library which seems to have a solution that I'm looking for- any
>> recommendations? Is this something I can do in the scope of scipy or
>> should I look into this PySparse library?
>>
>> As an aside, the sparse matrices I'm working with are *huge*.
>>
>> ct
>
> Did you look at scipy\sparse\linalg\eigen\arpack\tests\test_speigs.py ?
>
> I think this got recently added to scipy, but I didn't see any
> reference to it in the docs.
>
> Josef
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