[SciPy-dev] more with SVD wrapping
Tue Jun 9 00:21:53 CDT 2009
On Mon, 8 Jun 2009 15:31:09 -0700
M Trumpis <firstname.lastname@example.org> wrote:
> Hi all,
> While I was playing with the f2py wrappings for SVD
>routines, I went
> ahead and beefed up the *gesdd and *gesvd interfaces,
>and added a
> wrapping for the "generalized SVD" wrappings, *ggsvd.
> improvements to svd:
> * can query the lapack drivers for best workspace
> eliminates the need for the code in "calc_lwork.f".
> * can ask the drivers to return compact matrices: a = (m
>x n) ==> u =
> (m x min(m,n)), vh = (min(m,n) x n)
> Use of the *gesvd driver can be toggled with an
> scipy.linalg.svd( ... , fast_svd=False)
> I made two scipy interpretations of the GSVD, one
>corresponding to the
> lapack docs, and one that is more like the matlab
> This ticket supercedes ticket 957.
> Kind regards,
> Scipy-dev mailing list
In view of your recent work ticket 216 could be closed.
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