[petsc-users] Store the ILU preconditioner matrices

[Matthew Knepley]

On Thu, Jul 20, 2017 at 6:39 AM, Luca Mechelli <
luca.mechelli at uni-konstanz.de> wrote:

> Dear all,
>
> Does someone know how to get the ILU matrices ( L, U and the permutation
> matrix P) computed by the ILU preconditioner?
>

It is not part of the interface. Third party packages have them in
proprietary formats that may change.

  Thanks,

    Matt


> Like the Matlab command: [L,U,P]= ilu(A,setup)
> Is this possible in PETSc?
>
> Thank you a lot,
> Best regards,
> Luca Mechelli
>
> --
> Luca Mechelli
> Wissenschaftlicher Mitarbeiter
> Arbeitsgruppe Numerik
> Fachbereich Mathematik und Statistik
>
> Universität Konstanz
> Fach D 198
> D-78457 Konstanz
> Telefon: +49-(0) 7531-88-4637
>
>


-- 
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

http://www.caam.rice.edu/~mk51/
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