[Numpy-discussion] SVD errors

Robert Kern robert.kern@gmail....
Mon Feb 9 16:40:02 CST 2009


On Mon, Feb 9, 2009 at 16:25, M Trumpis <mtrumpis@berkeley.edu> wrote:
> I played around with a C translation of that test program, and found
> that dgesvd (but not dgesdd) happens to converge and return all
> non-negative singular values for both operators I was having trouble
> with. I'm also looking at the Octave code just now, and I think
> they're using dgesvd also. Any one know why numpy uses dgesdd? speed?

Yes.

-- 
Robert Kern

"I have come to believe that the whole world is an enigma, a harmless
enigma that is made terrible by our own mad attempt to interpret it as
though it had an underlying truth."
  -- Umberto Eco


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