dolfin team mailing list archive

[Jed Brown <jed@xxxxxxxx>]

On Mon 2009-04-06 17:24, Kent Andre wrote:
> In the matrix action operator, the bc could be enforced after the
> action. 

Not if you want it to be symmetric.  The correct values can be mapped in
before "assembly" (i.e. elementwise evaluation of the action) and the
rows can be zeroed afterward.  You have to take this into account when
you decide what to put there during function evaluation.

Jed

Attachment: pgpBjkKR3tSgw.pgp
Description: PGP signature