[Numpy-discussion] Problem with numpy.linalg.eig?

Keith Goodman kwgoodman@gmail....
Tue Nov 13 11:17:34 CST 2007


On Nov 12, 2007 10:51 AM, David Cournapeau <cournape@gmail.com> wrote:
>
> On Nov 13, 2007 3:37 AM, Keith Goodman <kwgoodman@gmail.com> wrote:
> >
> > On Nov 12, 2007 10:10 AM, Peter Creasey <p.e.creasey.00@googlemail.com> wrote:
> > > The following code calling numpy v1.0.4 fails to terminate on my machine,
> > > which was not the case with v1.0.3.1
> > >
> > >     from numpy import arange, float64
> > >     from numpy.linalg import eig
> > >     a = arange(13*13, dtype = float64)
> > >     a.shape = (13,13)
> > >     a = a%17
> > >     eig(a)
> >
> > It sounds like the same problem that was reported in this thread:
> >
> > http://thread.gmane.org/gmane.comp.python.numeric.general/17456/focus=17465
> >
> > A friend of mine says the windows binary of 1.0.4 also hangs on eigh
> > and lstsq (so linalg in general). I don't have that problem on 1.0.5
> > compiled on GNU/Linux.
> Could you friend try the binaries there:
>
> http://projects.scipy.org/pipermail/numpy-discussion/2007-November/029811.html
>
> This may be a problem related to the blas/lapack used for the
> binaries. The binaries posted above use non optimized BLAS/LAPACK (I
> can update to 1.0.4 if this is a problem).

He tried. But he is using python 2.4. (He said your binary was for 2.5).


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