On Mon, Nov 7, 2011 at 4:39 PM, NAN ZHAO <span dir="ltr"><<a href="mailto:zhaonanavril@gmail.com">zhaonanavril@gmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi all,<div><br></div><div>I want to solve a coupled system and prepare to solve the two system in certain order in one code. I need to use the KSP solver twice, Does anyone know a good example in the example file. Do I need to create two Petsc object in a c++ code?</div>
</blockquote><div><br></div><div>If you want to solve the same system twice, call KSPSolve() twice. If you want to solve two different systems, make</div><div>two KSPs. If you absolutely must reuse the allocated space for Krylov vectors or something like that, call KSPSetOperators()</div>
<div>again and KSPSolve() again.</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div>Thanks,</div><div><br></div><font color="#888888"><div>
Nan</div>
</font></blockquote></div><br><br clear="all"><div><br></div>-- <br>What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<br>