[petsc-users] Is LU decomposition performed in MUMPS accessible in PETSc?

[medale at polytech.univ-mrs.fr]

Thanks Hong.

Marc MEDALE

> Marc :
>
>> Let A be a square sparse matrix of size n x n (n of order up to 1 M). Is
>> it
>> possible to access in PETSc to the lower and upper decomposition
>> coefficient
>> triangles (L and U) of A factored in the MUMPS external package?
>
> You may run the code with option
> -mat_mumps_icntl_4 <0>: ICNTL(4): level of printing (0 to 4) (None)
>
> with '-mat_mumps_icntl_4 4', you'll see the data structure of analysis
> phase, ...
> If you need more, contact mumps developer.
>
> Hong
>
>> =========================================================
>> Polytech'Marseille, Département de Mécanique Energétique
>> Laboratoire IUSTI, UMR 6595 CNRS-Université Aix-Marseille
>> Technopole de Chateau-Gombert, 5 rue Enrico Fermi
>> 13453 MARSEILLE, Cedex 13, FRANCE
>> ---------------------------------------------------------------------------------------------------
>> Tel  : +33 (0)4.91.10.69.14 ou 38
>> Fax : +33 (0)4.91.10.69.69
>> e-mail : Marc.Medale at polytech.univ-mrs.fr
>> =========================================================
>>
>>
>>
>