[petsc-users] Feature request: Origin QMR implementation.

[Jed Brown]

Ce Qin <qince168 at gmail.com> writes:

> Thanks for your detailed explanation.
>
> I have consulted the Templates book, I found that QMR requires splitting
> the preconditioner (M = M1 * M2).
> How to do this in PETSc's way?

PCApplySymmetricLeft and PCApplySymmetricRight where PCSide must be PC_SYMMETRIC.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 835 bytes
Desc: not available
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20131221/2f004000/attachment.pgp>