← Back to team overview

dolfin team mailing list archive

Re: Matrix-free Krylov solvers

 

On 17 August 2012 19:15, Anders Logg <logg@xxxxxxxxx> wrote:
> ok, can you give any details or code that I can look at?
>

You probably want to implement the Epetra_Operator class:

    http://trilinos.sandia.gov/packages/docs/r10.12/packages/epetra/doc/html/classEpetra__Operator.html

We could really do with some matrix-free unit tests.

Garth


> --
> Anders
>
>
> On Fri, Aug 17, 2012 at 08:06:42PM +0200, Kent-Andre Mardal wrote:
>>    Yes, I think so. I've used ML in this fashion.
>>    Kent
>>
>>    On 17 August 2012 16:28, Anders Logg <[1]logg@xxxxxxxxx> wrote:
>>
>>      I want to use PETSc MatShell to create a matrix-free representation
>>      of
>>      a linear system using PETScKrylovMatrix. Is there similar
>>      functionality in Trilinos, in which case I could look into adding a
>>      common interface matrix-free Krylov solvers?
>>
>> Referenser
>>
>>    1. mailto:logg@xxxxxxxxx
>>    2. https://launchpad.net/%7Edolfin
>>    3. mailto:dolfin@xxxxxxxxxxxxxxxxxxx
>>    4. https://launchpad.net/%7Edolfin
>>    5. https://help.launchpad.net/ListHelp
>
> _______________________________________________
> Mailing list: https://launchpad.net/~dolfin
> Post to     : dolfin@xxxxxxxxxxxxxxxxxxx
> Unsubscribe : https://launchpad.net/~dolfin
> More help   : https://help.launchpad.net/ListHelp



-- 
Garth N. Wells
Department of Engineering, University of Cambridge
http://www.eng.cam.ac.uk/~gnw20


Follow ups

References