On Sep 2, 2010, at 10:51 AM, Benjamin Sanderse wrote:

> Hello all,
> 
> I figured out the coupling with Matlab and I can send back and forth matrices 
> and vectors between Petsc and Matlab. Actually, I send only once a matrix 
> from Matlab to Petsc and then repeatedly send new right hand sides from 
> Matlab->Petsc and the solution vector from Petsc->Matlab. That works great.
> I know want to see if the matrix that is send from (serial) Matlab to Petsc 
> can be stored as a parallel matrix in Petsc so that subsequent computations 
> with different right hand sides can be performed in parallel by Petsc. Does 
> this simply work by using MatLoad and setting Mattype MPIAIJ? Or is something 
> more fancy required?

   In theory this can be done using the same code as sequential only with 
parallel vectors VECMPI  and matrices. MATMPIAIJ

   Barry

> 
> Thanks,
> 
> Ben

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