Create CRS matrix

[Megan Lewis]

Great, that was exactly what I was looking for.  Thanks!

On Mon, Jun 22, 2009 at 7:46 AM, Satish Balay<balay at mcs.anl.gov> wrote:
> Check the following:
>
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/Mat/MatCreateSeqAIJWithArrays.html
> http://www.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/docs/manualpages/Mat/MatCreateMPIAIJWithArrays.html
>
> Satish
>
> On Mon, 22 Jun 2009, Megan Lewis wrote:
>
>> Hi,
>> I know PETSc stores their matrices in CRS format.  I have the 3 arrays
>> required for CRS format as pointers (two int pointers and one double
>> pointer).  Instead of allocating the memory and running through all of
>> the non-zero elements in the matrix, is there any way to create a
>> matrix in PETSc by passing in the 3 arrays?
>>
>> Thanks!
>>
>
>