<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Hi Ray,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">judging by a quick look at the source code, there does not appear to be a way to set the step length.</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">We are trying to migrate to a discussion forum, <a href="https://discourse.itk.org/">discourse.itk.org</a> Can you post future questions there?</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Regards,</div><div class="gmail_default" style="font-family:verdana,sans-serif;font-size:small">Dženan</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 10, 2017 at 7:23 PM, Ruizhi Liao <span dir="ltr"><<a href="mailto:ruizhi@mit.edu" target="_blank">ruizhi@mit.edu</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">Hello!<br><br>I’m LBFGSBOptimizerv4 to perform optimization for BSpline registration. I want to set up step length for the optimizer, but it looks this class doesn’t provide this method: <a href="https://itk.org/Doxygen/html/classitk_1_1LBFGSBOptimizerv4.html#a71e1357c63f5547b8e175e738a080930" target="_blank">https://itk.org/<wbr>Doxygen/html/classitk_1_<wbr>1LBFGSBOptimizerv4.html#<wbr>a71e1357c63f5547b8e175e738a080<wbr>930</a><br><br>In LBFGSOptimizer, there is such a method called “SetDefaultStepLength()”: <a href="https://itk.org/Doxygen/html/classitk_1_1LBFGSOptimizer.html#ae2c7ee103163ea6b36161632d9d9b539" target="_blank">http<wbr>s://itk.org/Doxygen/html/<wbr>classitk_1_1LBFGSOptimizer.<wbr>html#<wbr>ae2c7ee103163ea6b36161632d9d9b<wbr>539</a> . I wonder if there is a way to set up step length using LBFGSBOptimizerv4?<div><br></div><div>Thanks!</div><div><br></div><div>-Ray</div></div><br>The ITK community is transitioning from this mailing list to <a href="http://discourse.itk.org" rel="noreferrer" target="_blank">discourse.itk.org</a>. Please join us there!<br>
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