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

[Stéfan van der Walt]

2009/4/24 Stéfan van der Walt <stefan at sun.ac.za>:
> 2009/4/24 David Warde-Farley <dwf at 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