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Ublas : |
From: Nico Galoppo (nico_at_[hidden])
Date: 2007-10-21 14:26:05
I've been told that ARPACK++ takes care of wrapping the reverse
communication for you.
On 10/19/07, Karl Meerbergen <Karl.Meerbergen_at_[hidden]> wrote:
> I don't. Actually, a bindings to BLZPACK would come in handy. Note that
> arpack is not designed for buckling and frequency analysis unless the
> number of wanted eigenvalues is small. It does not do the Sturm sequence
> test either. Blzpack also uses reverse communication as arpack. I have
> some ideas to make nice bindings to arpack, but no time at the moment ...
>
> Karl
>
>
> Riccardo Rossi wrote:
>
> >i was interested in sparse... :-(
> >
> >do you have by chance any example using either UMFPACK or Arpack?
> >
> >thanks in advance
> >Riccardo
> >
> >
> >
> >Nuno Sucena Almeida wrote:
> >
> >
> >> Dense or sparse matrices? For dense I think you can use Lapack with some
> >>bindings laying around somewhere, if you can't find them I think I have them.
> >> For sparse and with Arpack it's more trickier because of the callback
> >>mechanism, so what I use is umfpack along the way too.
> >>
> >> Nuno
> >>
> >>On Tuesday 16 October 2007, Riccardo Rossi wrote:
> >>
> >>
> >>
> >>>"native ublas" implementation of Lanczos or of some other eigenvalue
> >>>solver?
> >>>I am interested in generalized eigenvalue solvers to be used in buckling
> >>>and frequency analysis
> >>>
> >>>
> >>>
> >>
> >>
> >>
> >
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> >
> >
>
>
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-- Nico Galoppo :: http://www.ngaloppo.org