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Posted to issues@commons.apache.org by "Thomas Neidhart (JIRA)" <ji...@apache.org> on 2013/09/03 23:19:52 UTC

[jira] [Updated] (MATH-995) Adaptive division of segments in Quadrature Legendre-Gauss

     [ https://issues.apache.org/jira/browse/MATH-995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Neidhart updated MATH-995:
---------------------------------

    Fix Version/s: 3.3
    
> Adaptive division of segments in Quadrature  Legendre-Gauss
> -----------------------------------------------------------
>
>                 Key: MATH-995
>                 URL: https://issues.apache.org/jira/browse/MATH-995
>             Project: Commons Math
>          Issue Type: Bug
>            Reporter: Ajo Fod
>             Fix For: 3.3
>
>         Attachments: gaussian__sigma_1000.png, gaussian__sigma_1000_zoom.png, gaussian__sigma_1.png, patch-code, patch-code, patch-code, patch-test
>
>
> I think the existing Legendre-Gauss object fails for certain integrals. An example of failure and a solution that divides segments based on error is provided. Please let me know if I'm not using the Legendre-Gauss object correctly.

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