<div class="gmail_quote">On Thu, Dec 29, 2011 at 11:15, Dave Nystrom <span dir="ltr"><<a href="mailto:dnystrom1@comcast.net">dnystrom1@comcast.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div id=":5db">I have tried out -ksp_type cg -pc_type gamg -pc_gamg_type sa on my problem<br>
and am encouraged enough with the results that I would like to try taking the<br>
next step with using gamg. Could you provide some advice on how to do that?<br>
I'm not sure how to provide the null space info you say is important.</div></blockquote></div><br><div>Are you solving a scalar or vector problem?</div>