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From "Gilles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MATH-1238) NoBracketingException send with valid brackets
Date Fri, 11 Sep 2015 17:50:46 GMT

    [ https://issues.apache.org/jira/browse/MATH-1238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14741227#comment-14741227
] 

Gilles commented on MATH-1238:
------------------------------

You are welcome.

For usage questions, it is best to post to the [user ML|http://commons.apache.org/proper/commons-math/mail-lists.html].

> NoBracketingException send with valid brackets
> ----------------------------------------------
>
>                 Key: MATH-1238
>                 URL: https://issues.apache.org/jira/browse/MATH-1238
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.5
>            Reporter: charles sitbon
>            Priority: Minor
>
> The brent solver sometimes send a NoBracketingException with valid brackets : example
for a beta distribution with large Beta (285) and alpha around 15
> Exception in thread "main" org.apache.commons.math3.exception.NoBracketingException:
function values at endpoints do not have different signs, endpoints: [0, 1], values: [-0.15,
0.85]
> the exception is actually caused by the yinitial which is Nan



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