You are viewing a plain text version of this content. The canonical link for it is here.

Posted to issues@commons.apache.org by "Luc Maisonobe (JIRA)" <ji...@apache.org> on 2011/03/23 21:19:05 UTC

[jira] [Closed] (MATH-405) Inconsistent result from Levenberg-Marquardt

     [ https://issues.apache.org/jira/browse/MATH-405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe closed MATH-405.
------------------------------


Closing issue as it was included in version 2.2, which has been released

> Inconsistent result from Levenberg-Marquardt
> --------------------------------------------
>
>                 Key: MATH-405
>                 URL: https://issues.apache.org/jira/browse/MATH-405
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.1
>            Reporter: Dimitri Pourbaix
>            Assignee: Dimitri Pourbaix
>             Fix For: Nightly Builds
>
>         Attachments: MATH-405.patch
>
>
> Levenberg-Marquardt (its method doOptimize) returns a VectorialPointValuePair.  However, the class holds the optimum point, the vector of the objective function, the cost and residuals.  The value returns by doOptimize does not always corresponds to the point which leads to the residuals and cost

--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira