[petsc-users] PETSc recommended visualization packages

[Lisandro Dalcin]

On 14 July 2011 18:33, Ethan Coon <ecoon at lanl.gov> wrote:
> On Thu, 2011-07-14 at 17:47 -0300, Lisandro Dalcin wrote:
>
>>
>> 1) readMatDense() is wrong. The I,J,V arrays are the CSR structure,
>> not the COO (coordinate) format, Then you cannot simply:
>>
>
> Ok, thanks, I wasn't sure of which format you were using,

Well, PETSc's AIJ matrices are CSR in memory (but not in disk, binary
files store row counts instead of  row pointers)

>>
>> 2) It would be nice to provie a 'scipy' Mat format returning a
>> 'scipy.sparse.csr_matrix' instance. A possible implementation would
>> be:
>>
>
> Agreed, I considered doing that as the default for sparse, but wasn't
> sure what others would want.  Providing both makes sense.
>

Note however that this would require a SciPy installation.

PS: Sorry for not being more helpful and contributing actual code, but
I'm really busy.


-- 
Lisandro Dalcin
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