[Numpy-discussion] Numpy problem with SVD

Charles R Harris charlesr.harris@gmail....
Thu Oct 18 10:56:17 CDT 2007


Hi Axel,

On 10/11/07, axel.breuer@bnpparibas.com <axel.breuer@bnpparibas.com> wrote:
>
>
> Hi,
>
> I tried the function numpy.linalg.svd(X) on an array X with 100 rows and
> 50
> columns.
>
> I got an Error message:
> ** On entry to DGESDD parameter number 12 has an illegal value
> Then I got kicked out of python.
>
> I tried numarray.mlab.svd(X) and it worked fine.
>
> Is there a workaround to perform svd with numpy on reasonably sized arrays
> ?


Works here. This sounds like an old bug. What version of numpy are you
using? Also, information on the OS, hardware (32/64 bit), and whether you
are using ATLAS will help.

Chuck
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