http://openopt.org/Special:RecentChanges Track the most recent changes to the wiki in this feed. en MediaWiki 1.13.3 Thu, 17 May 2012 20:20:18 GMT http://openopt.org/index.php?title=ALGENCAN&diff=3800&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 19:35, 17 May 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 5:</td> <td colspan="2" class="diff-lineno">Line 5:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>ALGENCAN algorithm based on Augmented Lagrangian multipliers. &nbsp;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>ALGENCAN algorithm based on Augmented Lagrangian multipliers. &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>To connect ALGENCAN to [[OOFramework|OpenOpt]] use the [http://www.ime.usp.br/~egbirgin/tango/downloads.php URL] for download and install instructions (pay attention: you should modify makefile to adjust paths and use &quot;'''make algencan-py'''&quot;). Sometimes build process is out of RAM (~1 Gb is required), you could reduce those optimization flags &quot;-O4&quot; in makefile to something smaller. Copy pywrapper.so to a folder from PYTHONPATH (for example /usr/lib/python2.7/site-packages/) or ensure it is already present in a PYTHONPATH folder via &quot;try: import pywrapper; except: print 'not found' &quot;. Currently ALGENCAN '''requires''' a good user-supplied estimation of stop criterion '''gtol''' (try p.gtol = 1e-1...1e-6); ignores xtol, ftol, so using maxTime, maxCPUTime, maxIter, maxFunEvals is welcome<del class="diffchange diffchange-inline">. '''Recommended! ''' Read some algencan issues [http://openopt.blogspot.com/2008/06/connecting-algencan-2x-beta.html here] and [http://openopt.blogspot.com/2008/07/algencan-diffint-issue.html here]</del>.</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>To connect ALGENCAN to [[OOFramework|OpenOpt]] use the [http://www.ime.usp.br/~egbirgin/tango/downloads.php URL] for download and install instructions (pay attention: you should modify makefile to adjust paths and use &quot;'''make algencan-py'''&quot;). Sometimes build process is out of RAM (~1 Gb is required), you could reduce those optimization flags &quot;-O4&quot; in makefile to something smaller. Copy pywrapper.so to a folder from PYTHONPATH (for example /usr/lib/python2.7/site-packages/) or ensure it is already present in a PYTHONPATH folder via &quot;try: import pywrapper; except: print<ins class="diffchange diffchange-inline">(</ins>'not found'<ins class="diffchange diffchange-inline">)</ins>&quot;. Currently ALGENCAN '''requires''' a good user-supplied estimation of stop criterion '''gtol''' (try p.gtol = 1e-1...1e-6); ignores xtol, ftol, so using maxTime, maxCPUTime, maxIter, maxFunEvals is welcome. &nbsp;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>==See also==</div></td></tr> <!-- diff generator: internal 2012-05-17 20:20:18 --> </table> Thu, 17 May 2012 19:35:19 GMT Dmitrey http://openopt.org/Talk:ALGENCAN http://openopt.org/index.php?title=Problems&diff=3799&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 14:11, 14 May 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>__NOTOC__</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>__NOTOC__</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{| class=&quot;wikitable&quot; cellpadding=3 style=&quot;border:1px solid lime;&quot;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>{| class=&quot;wikitable&quot; cellpadding=3 style=&quot;border:1px solid lime;&quot;</div></td></tr> <tr><td class='diff-marker'>-</td><td style="background: #ffa; color:black; font-size: smaller;"><div>|&lt;center&gt;This is an overview of most common '''numerical optimization problems'''. Some definitions are accompanied with usage example from OpenOpt <del class="diffchange diffchange-inline">framework</del>, and, maybe, with some more info; some others have no OpenOpt-connected solvers yet. If your needs are beyond the solvers currently present in OpenOpt, you could take into account that some commercial solvers (e.g. &lt;b&gt;mosek, CPLEX, GuRoBi&lt;/b&gt;) have their own Python API.&lt;/center&gt;</div></td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div>|&lt;center&gt;This is an overview of most common '''numerical optimization problems'''. Some definitions are accompanied with usage example from <ins class="diffchange diffchange-inline">[[OOFramework|</ins>OpenOpt<ins class="diffchange diffchange-inline">]] and/or [[FuncDesigner]] frameworks</ins>, and, maybe, with some more info; some others have no OpenOpt-connected solvers yet. If your needs are beyond the solvers currently present in OpenOpt, you could take into account that some commercial solvers (e.g. &lt;b&gt;mosek, CPLEX, GuRoBi&lt;/b&gt;) have their own Python API.&lt;/center&gt;</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <!-- diff generator: internal 2012-05-17 20:20:18 --> </table> Mon, 14 May 2012 14:11:22 GMT Dmitrey http://openopt.org/Talk:Problems http://openopt.org/index.php?title=Template:RecentChanges&diff=3798&oldid=prev <p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">←Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 15:24, 13 May 2012</td> </tr> <tr><td colspan="2" class="diff-lineno">Line 6:</td> <td colspan="2" class="diff-lineno">Line 6:</td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|-</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|[http://forum.openopt.org/viewtopic.php?id=564 Categorical variables and general logical constraints for interalg]</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|[http://forum.openopt.org/viewtopic.php?id=564 Categorical variables and general logical constraints for interalg]</div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">|-</ins></div></td></tr> <tr><td colspan="2">&nbsp;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">|[http://forum.openopt.org/viewtopic.php?id=568 DerApproximator works with PyPy]</ins></div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>|}</div></td></tr> <tr><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&lt;/center&gt;</div></td><td class='diff-marker'> </td><td style="background: #eee; color:black; font-size: smaller;"><div>&lt;/center&gt;</div></td></tr> <!-- diff generator: internal 2012-05-17 20:20:18 --> </table> Sun, 13 May 2012 15:24:16 GMT Dmitrey http://openopt.org/Template_talk:RecentChanges