hi, everyone I know there are three types of preconditioners, that is left, split and right preconditioners? When I use CG method in PETSc, whether do I need to consider select one type of preconditioner? Whether do different types affect the performance of preconditioned CG? thanks a lot.
Regards, Yujie -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20080116/776eb8b6/attachment.htm>
