[petsc-users] converting scipy sparse CSR matrix to petcs matrix with mpi

[Jed Brown]

John Travers <jtravs at gmail.com> writes:

> On 28 Aug 2013, at 14:58, Jed Brown <jedbrown at mcs.anl.gov> wrote:
>>  csr=(A.indptr[rstart:rend] - A.indptr[rstart],
>>       A.indices[A.indptr[rstart]:A.indptr[rend]],
>>       A.data[A.indptr[rstart]:A.indptr[rend]])
>> 
>
> Thanks, this works (except it should be A.indptr[rstart:rend+1] in the
> first line I think).

Yes, good catch.

> Well, not in the long run, but at the moment that code is debugged and
> working and I only wanted to try the slepc solvers first.

Great, let us know if you have any problems.
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