[SciPy-dev] Sparse SVD in SciPy -- SVDPACK[C] made available

Stéfan van der Walt stefan@sun.ac...
Fri Apr 24 13:54:18 CDT 2009


2009/4/24 Stéfan van der Walt <stefan@sun.ac.za>:
> 2009/4/24 David Warde-Farley <dwf@cs.toronto.edu>:
>> Hmm, I thought that sparse SVD was provided by ARPACK, already
>> included in SciPy, and it was just a matter of writing the wrappers.
>> Is that still the case, or is SVDPACK for some reason a substantially
>> easier route/is SVDPACK better or more featureful?

Michael Berry also wrote:

"""
Our codes are engineered to compute extremal singular values and
singular vectors.  If ARPACK can approximate the entire spectrum,
you might want to go with those routines.
"""

Stéfan


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