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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-353) Constrained version of the Nelder-Mead simplex method and bi-cubic interpolation
Date Thu, 28 Apr 2011 10:56:03 GMT

    [ https://issues.apache.org/jira/browse/MATH-353?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026252#comment-13026252
] 

Gilles commented on MATH-353:
-----------------------------

There is a {{BicubicSplineInterpolator}} in package {{org.apache.commons.math.analysis.interpolation}}.

> Constrained version of the Nelder-Mead simplex method and bi-cubic interpolation
> --------------------------------------------------------------------------------
>
>                 Key: MATH-353
>                 URL: https://issues.apache.org/jira/browse/MATH-353
>             Project: Commons Math
>          Issue Type: Wish
>    Affects Versions: 2.0, 2.1
>            Reporter: Dimitri Pourbaix
>            Priority: Minor
>             Fix For: 3.0
>
>
> The library http://www.ee.ucl.ac.uk/~mflanaga/java/ offers a constrained version of the
Nelder-Mead simplex method through the addition of a penalty function.  Such a possibility
seems to be missing from commons-math.
> The same library also offers some bi-cubic interpolation which is also absent in commons-math.

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