Schur decomposition

[Matthew Knepley]

On Tue, Sep 29, 2009 at 10:05 AM, Marco Schauer <m.schauer at tu-bs.de> wrote:

> Dear PETSc developers,
> I translate a sequential Fortran code, which uses LAPACK into a parallel
> c++ code based on PETSc 3.0.0-p7. The Fortran code uses a function called
> DGEES to calculate Schur decomposition. I have absolutely no idea how to do
> this in PETSc. Is there a PETSc example of this problem? Every hint is very
> welcome to me.
>

Do you want this to run in parallel? You might be able to use PLAPACK. I
would check the documentation.
Then you could call it in PETSc.

  Matt


> Best regards
> Marco
>
> --
> Dipl. Ing. Marco Schauer
>
> Technische Universität Carolo-Wilhelmina zu Braunschweig
> Institut für Angewandte Mechanik
> Spielmannstraße 11
> D-38106 Braunschweig, Germany
>
> phone  +49 (0) 531 391 7108
> fax    +49 (0) 531 391 5843
> email  m.schauer at tu-braunschweig.de
> web    http://www.infam.tu-braunschweig.de
>
>


-- 
What most experimenters take for granted before they begin their experiments
is infinitely more interesting than any results to which their experiments
lead.
-- Norbert Wiener
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