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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Hi Mark,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>I found <a href="http://en.wikipedia.org/wiki/Spline_interpolation">http://en.wikipedia.org/wiki/Spline_interpolation</a> to be informative. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Also, inspired by your email, I’ve discovered that there’s very useful information here:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><a href="http://admb-project.org/documentation/api/group__cub__spline.html">http://admb-project.org/documentation/api/group__cub__spline.html</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"C
 alibri",
d that 2<sup>nd</sup> link to the FAQ item about splines, but obviously that’s no substitute for some proper documentation in the user manual.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>-Ian<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Mark Maunder [mailto:mmaunder@iattc.org] <br><b>Sent:</b> Friday, May 20, 2011 11:40 AM<br><b>To:</b> users@admb-project.org<br><b>Cc:</b> 'Jim.Ianelli@noaa.gov'; Ian Taylor; '???'; 'Simon Hoyle'; Alexandre Aires-Da-Silva<br><b>Subject:</b> Cubic splines<o:p><
 /o:p></s
ass=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Does anyone have documentation on how cubic splines are implemented in ADMB? Or a simple description of how cubic splines are implemented in general.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There are some examples on how to use them in ADMB<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://admb-project.org/community/tutorials-and-examples/splines">http://admb-project.org/community/tutorials-and-examples/splines</a><o:p></o:p></span>
 </p><p c
e='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://admb-project.org/community/tutorials-and-examples/splines/splines.tpl/view?searchterm=spline">http://admb-project.org/community/tutorials-and-examples/splines/splines.tpl/view?searchterm=spline</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://groups.google.com/group/admb-users/browse_thread/thread/e6ba196af3478dc0/1952dcc0dfbb6241?#1952dcc0dfbb6241">http://groups.google.com/group/admb-users/browse_thread/thread/e6ba196af3478dc0/1952dcc0dfbb6241?#1952dcc0dfbb6241</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calib
 ri","san
o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mark<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Mark Maunder              &n
 bsp;&nbs
;                                                                 <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Head of the Stock Assessment Program                                           </span><span style='font-family:"Calibri","sans-serif";color:#1F497
 D'><o:p>
=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Inter-American  Tropical Tuna Commission                                      <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>President<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>ADMB Foundation<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>8604 La Jolla Shores Drive<br>La Jolla, CA, 92037-1508, USA<br>  <br>Tel: (858
 ) 546-70
<br><a href="mailto:mmaunder@iattc.org">mmaunder@iattc.org</a><br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><a href="http://www.fisheriesstockassessment.com/TikiWiki/tiki-index.php?page=Mark+Maunder">http://www.fisheriesstockassessment.com/TikiWiki/tiki-index.php?page=Mark+Maunder</a></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Visit the AD Model Builder project at<br> <a href="http://admb-project.org/"><span style='color:#810081'>http://admb-project.org/</span></a></span><span style='font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:
 #1F497D'
</p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>See the following website for information on fisheries stock assessment<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.fisheriesstockassessment.com/">http://www.fisheriesstockassessment.com/</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"
 Tahoma",
ces@admb-project.org [mailto:users-bounces@admb-project.org] <b>On Behalf Of </b>Campbell, Alex<br><b>Sent:</b> Thursday, May 19, 2011 6:15 PM<br><b>To:</b> users@admb-project.org<br><b>Subject:</b> Re: [ADMB Users] 10.1 ic > imax<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>admb 10.0 and 9.1 on linux give me the same behaviour. so not a version thing. one day "soon" i'll find time to debug..</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>convergence critieria is not necessarily the issue because that determines ultimate convergence, not the question of whether the process has hung</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sa
 ns-serif
uot;ic > imax" points me to fmmtr1.cpp and newfmin.cpp but without debugging i'm not much wiser!</span><o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>-alex</span><o:p></o:p></p><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center></div><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> users-bounces@admb-project.org [mailto:users-bounces@admb-project.org] <b>On Behalf Of </b>Campbell, Alex<br><b>Sent:</b> Friday, 13 May 2011 4:33 PM<br><b>To:</b> users@admb-project.org<br><b>Subject:</b> [ADMB Users] 10.1 ic > imax</span><o:p></o:p></p><p><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi folks</span> <o:p></o:p></p><p><span style='font-size:10.0pt;font-fa
 mily:"Ar
ecently installed admb 10.1 on a 'real' system (SuSE Linux Enterprise Server 11 SP1, gcc 4.3) and I've noticed different behaviour vs my 32-bit admb 10.0 windoze setup. Specifically the ic > imax is minimum attained issue pops up on the 10.1 where it does not on the 10.0. Both installations give me the same parameter estimates, but obviously a) something is different, b) it appears to be worse in the newer version and c) it would be nice to know why. The first thing that came to mind is that the default value of the convergence criterion might have changed between 10.0 and 10.1 but I ran the new system with -crit 1e-4 and same behaviour. </span><o:p></o:p></p><p><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Any ideas? </span><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><table class=MsoNormalTable border=0 cellpadding=0 style='background:white'><tr><td style='padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span s
 tyle='co
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