<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Tue, Aug 11, 2015 at 12:36 PM, Gideon Simpson <span dir="ltr"><<a href="mailto:gideon.simpson@gmail.com" target="_blank">gideon.simpson@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">I’m a bit confused by the following options:<div><br></div><div><div style="margin:0px;font-size:18px;font-family:Menlo">Run with -snes_check_jacobian_view [viewer][:filename][:format] to show difference of hand-coded and finite difference Jacobian.</div><div><br></div><div>What flags do I pass it to get some output to diagnose my Jacobian error?</div></div></div></blockquote><div><br></div><div>I would start with </div><div><br></div><div> <span style="font-family:Menlo;font-size:18px">-snes_check_jacobian_view ascii:bug.txt</span></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 style="word-wrap:break-word"><div><span class="HOEnZb"><font color="#888888"><div>
<span style="border-collapse:separate;border-spacing:0px">-gideon</span>
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<br></font></span></div></div></blockquote></div><br><br clear="all"><div><br></div>-- <br><div class="gmail_signature">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>
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