[Numpy-discussion] LU factorization?

Charles R Harris charlesr.harris@gmail....
Thu Oct 16 00:59:40 CDT 2008


On Wed, Oct 15, 2008 at 10:41 PM, Charles R Harris <
charlesr.harris@gmail.com> wrote:

> OK, I take this as a go ahead with the proviso that it's my problem. The
> big question is naming. Scipy has
>
> lu
> lu_factor
> lu_solve
>
> cholesky
>
> cho_factor
> cho_solve
>
> The code for lu and lu_factor isn't the same, although they both look to
> call the same underlying function; the same is true of the cholesky code. I
> also see various functions with the same names as their numpy counterparts.
> So my inclination would be to use lu and lu_solve. Likewise, maybe add
> cho_solve to compliment cholesky. I don't have strong preferences one way or
> the other. Thoughts?
>

Looks like dpotrs isn't in lapack_lite (cho_solve), but dgetrs (lu_solve)
is, although currently missing an interface to python.

Chuck
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