<div dir="ltr"><div dir="ltr">On Thu, Jul 28, 2022 at 6:16 PM Tang, Qi <<a href="mailto:tangqi@msu.edu">tangqi@msu.edu</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">Hi,<br>
<br>
Is there some in depth review on different options related to line search of snes newtonls? Our solvers are sensitive to the choices there, and I could not understand why one works better than the other or how to tune those options. Thanks.</blockquote><div><br></div><div>In</div><div><br></div><div>@article{BruneKnepleySmithTu15,<br> title = {Composing Scalable Nonlinear Algebraic Solvers},<br> author = {Peter R. Brune and Matthew G. Knepley and Barry F. Smith and Xuemin Tu},<br> journal = {SIAM Review},<br> volume = {57},<br> number = {4},<br> pages = {535--565},<br> note = {\url{<a href="http://www.mcs.anl.gov/papers/P2010-0112.pdf}">http://www.mcs.anl.gov/papers/P2010-0112.pdf}</a>},<br> url = {<a href="http://www.mcs.anl.gov/papers/P2010-0112.pdf">http://www.mcs.anl.gov/papers/P2010-0112.pdf</a>},<br> doi = {10.1137/130936725},<br> year = {2015},<br> petsc_uses={KSP},<br>}<br></div><div><br></div><div>we mention them all and give citations. There is not a lot of predictive theory.</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"><br>
Qi</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>