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https://issues.apache.org/jira/browse/MATH-995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13700090#comment-13700090
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Gilles commented on MATH-995:
-----------------------------
The ML contains a [lengthy
discussion|http://markmail.org/message/vshi3gka7a7tdvbb] about this issue, that
is drifting away from the original report about a bug in CM.
A warning has been added (revision 1499765) in the class's Javadoc to avoid the
kind of usage that hits the limitation of this algorithm.
Adaptive strategies are nice features to have in CM; but such a request belongs
to another report, and how to best implement them in CM should be discussed in
a specific thread on the "dev" ML.
> 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: 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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