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From "Ajo Fod (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (MATH-995) Adaptive division of segments in Quadrature Legendre-Gauss
Date Fri, 28 Jun 2013 18:04:24 GMT

    [ https://issues.apache.org/jira/browse/MATH-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13695613#comment-13695613
] 

Ajo Fod edited comment on MATH-995 at 6/28/13 6:02 PM:
-------------------------------------------------------

These patches show the failure of the LGQ and the success of the Adaptive method. The adaptive
method uses a fixed resolution quadrature (3) ... the concept itself is more general and work
with higher orders. I've left system printline code to show failure/success ... feel free
to remove/edit the code if you chose to accept it.
                
      was (Author: ajo.fod):
    These patches show the failure of the LGQ and the success of the Adaptive method. The
adaptive method uses a fixed resolution quadrature (3) ... the concept itself is more general
and work with higher orders.
                  
> 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
>         Attachments: 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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