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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2012/11/23 23:12:58 UTC

[jira] [Resolved] (MATH-908) In "PowellOptimizer": Allow the specification of the line search tolerances

     [ https://issues.apache.org/jira/browse/MATH-908?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles resolved MATH-908.
-------------------------

    Resolution: Fixed

Revision 1413088.
                
> In "PowellOptimizer": Allow the specification of the line search tolerances
> ---------------------------------------------------------------------------
>
>                 Key: MATH-908
>                 URL: https://issues.apache.org/jira/browse/MATH-908
>             Project: Commons Math
>          Issue Type: Wish
>            Reporter: Gilles
>            Assignee: Gilles
>            Priority: Trivial
>             Fix For: 3.1
>
>
> "PowellOptimizer" internally uses a one-dimensional optimizer ("BrentOptimizer").
> Currently, the tolerances of this line search algorithm are somewhat arbitrarily set to the square-root of the tolerances of "PowellOptimizer". But it might be useful to explicitly set those tolerances.

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