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From "Luc Maisonobe (Resolved) (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MATH-687) Add the Jacobi polynomials in the class PolynomialsUtils
Date Fri, 07 Oct 2011 16:33:29 GMT

     [ https://issues.apache.org/jira/browse/MATH-687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luc Maisonobe resolved MATH-687.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 3.0

Fixed in subversion repository as of r1180092.

Thanks for the report and the patch.
                
> Add the Jacobi polynomials in the class PolynomialsUtils
> --------------------------------------------------------
>
>                 Key: MATH-687
>                 URL: https://issues.apache.org/jira/browse/MATH-687
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: 3.0
>         Environment: all
>            Reporter: DI COSTANZO
>            Priority: Trivial
>             Fix For: 3.0
>
>         Attachments: jacobi.patch
>
>
> Jacobi polynomials Pk(vw) are a generalization of the legendre polynomial. Legendre Polynomials
are Jacobi polynomials for v = w = 0.
> They are orthogonal polynomials and are defined from a recursion formula, giving the
n+1 element of the polynomial from the nth element and the (n-1)'s one
> Therefore, they could be implemented in the PolynomialsUtils and use the generic frame
already used in this class to create and store them.

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