[petsc-users] Use boomeramg to solve system of PDEs

[Thomas Witkowski]

I'll try it. Is there any difference between using MATMPIAIJ and 
MatSetBlockSize, and using MATMPIBAIJ?

Thomas

Am 02.02.2012 14:43, schrieb Mark F. Adams:
> Use MatSetBlockSize(mat,ndof); and that info will get passed down to HYPRE.
> Mark
>
> On Feb 2, 2012, at 7:09 AM, Thomas Witkowski wrote:
>
>> The documentation of boomeramg mention that it's possible to solve also matrices arising from the discretization of system of PDEs. But there is no more information on it. What should I do to make use of it in PETSc?
>>
>> Thomas
>>