<div class="gmail_quote">On Thu, Mar 8, 2012 at 14:16, Abdul Hanan Sheikh <span dir="ltr"><<a href="mailto:hanangul12@yahoo.co.uk">hanangul12@yahoo.co.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<span style="background-color:rgb(255,255,255)">I almost got you; and thus I got my preconditoner Prec = \lambda_max*C + (I - AC) .<br>Only question is : how to make S = I. S is my post_smoother in PCMG framwork and post_smoother<br>
is a KSP_POST context with PC_POST ? <br>Does following choices make S =I; <br>KSP_POST => RICHARDSON<br>PC_POST => PCNONE </span></blockquote></div><br><div>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.</div>