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Subject: Re: [ublas] How to compute determinant?
From: Maik Beckmann (beckmann.maik_at_[hidden])
Date: 2008-09-12 03:52:07


Andreas Klöckner schrieb am Donnerstag 11 September 2008 um 22:07:
> On Donnerstag 11 September 2008, Maik Beckmann wrote:
> > 2008/9/9 Joe Gottman <jgottman_at_[hidden]>:
> > > Why don't we have methods to compute the determinant and trace of a
> > > matrix in uBlas?
> > >
> > > Joe Gottman
> >
> > I guess because this is not part of BLAS1/2/3.
>
> Neither is LU factorization. I'd argue that since we actually include LU,
> it would make sense to also include *a few* *important* linear algebra
> things that can be implemented using LU with not much effort. For example,
> det, inv, and a linear solve driver.
>
> Any serious user of these things should be driven towards LAPACK and the
> bindings, but for quick, one-off stuff, the built-in versions should be
> just fine.
>
> Opinions?

Agreed. I think adding such stuff to sandbox before starting a debate with
the persons in charge would be a good idea.

BTW., who is the official maintainer of ublas ?

Best,
 -- Maik