[Numpy-discussion] svd in numpy
Nripun Sredar
nripunsredar@gmail....
Mon May 19 11:17:57 CDT 2008
Thank You.. The problem is resolved
On Mon, May 19, 2008 at 10:31 AM, Bruce Southey <bsouthey@gmail.com> wrote:
> Nripun Sredar wrote:
> > I am running on Windows Xp, Intel Xeon CPU. I'd like to fill in a few
> > more things here. If I send 0 in the second and third argument of svd
> > then I get the singular_values, but if its 1 then the problem
> > persists. I've tried this on sparse and non-sparse matrices. This is
> > with the latest windows binaries numpy-1.0.4.win32-py2.5.msi.
> >
> >
> >
> >
> > On Sat, May 17, 2008 at 2:34 AM, David Cournapeau
> > <david@ar.media.kyoto-u.ac.jp <mailto:david@ar.media.kyoto-u.ac.jp>>
> > wrote:
> >
> > Nripun Sredar wrote:
> > > I have a sparse matrix 416x52. I tried to factorize this matrix
> > using
> > > svd from numpy. But it didn't produce a result and looked like it
> is
> > > in an infinite loop.
> > > I tried a similar operation using random numbers in the matrix.
> Even
> > > this is in an infinite loop.
> > > Did anyone else face a similar problem?
> > > Can anyone please give some suggestions?
> >
> > Are you on windows ? What is the CPU on your machine ? I suspect
> > this is
> > caused by windows binaries which shipped blas/lapack without
> > support for
> > "old" CPU.
> >
> > cheers,
> >
> > David
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> Hi,
> The issue relates to the closed ticket 627:
> http://www.scipy.org/scipy/numpy/ticket/627
>
> Please update to the latest Numpy 1.1 (rc1 is available) or, as a
> temporary measure, use the installer:
>
>
> http://www.ar.media.kyoto-u.ac.jp/members/david/archives/numpy-superpack-python2.5.exe
>
>
> That uses numpy version 1.0.5.dev5008 which should solve you problem.
>
> Regards
> Bruce
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