[SciPy-dev] problem with linalg.cholesky?
oliphant.travis at ieee.org
Fri Dec 2 10:21:09 CST 2005
Andrew Jaffe wrote:
>What's going on here?
>Also, an (unrelated?) point: I note that basic_lite.py exists in both
>scipy/linalg and scipy/basic -- two different files with somewhat
>different contents, imported in different ways! Which is correct? Should
>they both exist? (They both give the same error for cholesky.) Is one a
>leftover from an earlier installation?
Yes, I think you figured that out, though, right?
>Andrew Jaffe wrote:
>>One more data point: in addition to my problems on OS X, someone else
>>has the same issue on Win XP... So it's not OS-specific, but it does
>>occur only for some installations.
>>Perhaps it depends on the underlying BLAS/LAPACK library?
Hmm.. The more I look in to this the less I'm inclined to blame the
BLAS/LAPACK library. This looks like a problem with flags but I'm not
sure the source. I can't reproduce the problem on Windows or Linux
(however I'm using a more recent version of scipy). It's possible that
this problem is a bug in older versions of scipy.
I would recommend upgrading from 0.6.1. As soon as the records module
has been fleshed out a bit, there will be another release. In the mean
time, checking out from SVN is not difficult. Ask if you need specific
More information about the Scipy-dev