[Numpy-discussion] LU factorization?
Charles R Harris
Wed Oct 15 14:49:54 CDT 2008
On Wed, Oct 15, 2008 at 1:06 PM, Robert Kern <firstname.lastname@example.org> wrote:
> On Wed, Oct 15, 2008 at 00:23, Charles R Harris
> <email@example.com> wrote:
> > Hi All,
> > numpy.linalg has qr and cholesky factorizations, but LU factorization is
> > only available in scipy. That doesn't seem quite right. I think is would
> > make sense to include the LU factorization in numpy among the basic
> > operations, and probably LU_solve also. Thoughts?
> -1. As far as I am concerned, numpy.linalg exists because Numeric had
> LinearAlgebra, and we had to provide it to allow people to upgrade. I
> do not want to see an expansion of functionality to maintain.
I would be happier with that argument if scipy was broken into separately
downloadable modules and released on a regular schedule. As is, I think
that exposing already existing (and used) functions in numpy lapack_lite is
unlikely to increase the maitainence burden and will add to the usefulness
of barebones numpy out of the box.
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