<div dir="ltr"><div dir="ltr">On Wed, Aug 5, 2020 at 2:59 PM Adolfo Rodriguez <<a href="mailto:adantra@gmail.com">adantra@gmail.com</a>> wrote:<br></div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I am trying to use non-linear preconditioners in a very similar way shown in the paper "Composing scalable nonlinear solvers" by Peter Brune and others.<div><br></div><div>My question is simple, actually. I have provided a test convergence function, but it seems that the inner method does not take it into account and follows the default convergence criteria. Is there a way to specify a convergence function to the inner method?</div><div><br></div><div>Appreciate any hints on this.</div></div></blockquote><div><br></div><div>This is a good question. Currently, we do not have an alternative to just pulling out the inner solver and setting it directly. I don't</div><div>think the right thing is to have inner solvers follow outer solvers since frequently they have much different convergence requirements.</div><div>Maybe we could provide a function name in an options and have it looked up dynamically.</div><div><br></div><div>What do people think about that?</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>Regards,</div><div><br></div><div>Adolfo <br></div></div>
</blockquote></div><br clear="all"><div><br></div>-- <br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>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</div><div><br></div><div><a href="http://www.cse.buffalo.edu/~knepley/" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><br></div></div></div></div></div></div></div></div>