On Thu, Mar 26, 2009 at 1:03 AM, Yujie <span dir="ltr"><<a href="mailto:recrusader@gmail.com">recrusader@gmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<p>Hi, PETSc developers<br></p><p>I am wondering what the difference is when iterative preconditioners (such as ILU, sparse approximation inverse and so on) are used in single and multiple rhs using KSPSolve().</p><p>In multiple rhs case, the preconditioners are made to each rhs? Thanks a lot.</p>
</blockquote><div><br>Yes, multiple rhs is just a way of saying multiple, simultaneous solves. <br><br> Matt<br></div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
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<p>Regards,</p><p>Yujie<br></p>
</blockquote></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>