Barry Smith <bsm...@mcs.anl.gov> writes: > It is essentially 3 Laplacians so I think the default null space of > 3 constant vectors is fine. The problem is without the block > information presumably GAMG is using only a single constant vector > over all variables? So maybe we need to construct a 3 vector null > space which just marks in the reduced vector from which of the 3 > components each entry came from.
Yup, that's what I would try.
pgpjUskHzDc3X.pgp
Description: PGP signature
