dolfin team mailing list archive

[Jed Brown <jed@xxxxxxxx>]

On Tue 2008-09-30 10:48, Evan Lezar wrote:
> I was wondering what the best way is to concatenate PETSc matrices?  I am
> currently using the set() method, but this takes quite a bit of time.

What are you trying to do?  You should probably preallocate the full
matrix from the beginning.

Jed

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