Barry Smith wrote: > The FGMRES code was written for right preconditioning (but the FGMRES > algorithm itself does not support left preconditioning.)
LGMRES has both so that's another option. Jed -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 260 bytes Desc: OpenPGP digital signature URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20090608/83165958/attachment.pgp>