<div class="gmail_quote">On Sun, Jan 8, 2012 at 20:28, Mohamad M. Nasr-Azadani <span dir="ltr"><<a href="mailto:mmnasr@gmail.com">mmnasr@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
Maybe I was not 100% clear, the way that I dealt with the nullspace was to set the pressure to zero at one node in the entire domain. </blockquote></div><br><div>Well, this pollutes the spectrum, although most preconditioners fix it. We recommend using KSPSetNullSpace() instead.</div>