On Thu, Mar 8, 2012 at 14:16, Abdul Hanan Sheikh <hanangul12 at yahoo.co.uk>wrote:
> I almost got you; and thus I got my preconditoner Prec = \lambda_max*C + > (I - AC) . > Only question is : how to make S = I. S is my post_smoother in PCMG > framwork and post_smoother > is a KSP_POST context with PC_POST ? > Does following choices make S =I; > KSP_POST => RICHARDSON > PC_POST => PCNONE Yes, you are asking for one post-smoothing Richardson iteration with no preconditioner. That is what I demonstrated in the command line options of my earlier message. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20120308/8871d9bc/attachment.htm>
