petsc: symmetric matrix
Randall Mackie
randy at geosystem.us
Wed Nov 22 10:52:54 CST 2006
Satish,
This questions seems to be asked on the average of once per week on
this list. Perhaps a section on symmetric matrics could be added
to the manual?
Randy
Satish Balay wrote:
> On Thu, 23 Nov 2006, sqbang wrote:
>
>> Hi, all
>> when I create a matrix with MatCreateSeqAIJ() and the matrix is
>> symmetry,how can I complete it while only the half data is inserted
>> ? does the memory needed be half of the same scale matrix but not
>> symmetry ? if not,how should i set it ?
>> thanks
>
> You'll have to use MatCreateSeqSBAIJ() for this purpose.
>
> Satish
>
--
Randall Mackie
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