[SciPy-user] linalg.qr factorization so slow...

Jose Unpingco unpingco@osc....
Fri Aug 24 07:19:28 CDT 2007

I have a 1000  x 1000  matrix. To apply a QR factorization in Matlab takes less than three seconds. however, when I do scipy.linalg.qr on the same matrix, it takes 25+ minutes.
Why is this? I thought they were running the same LAPACK/ATLAS/BLAS libraries underneath.
I am running Enthought's install on winXP; 2 GB RAM.
Please contact me if you have questions or need more information.

Jose Unpingco, Ph.D.
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