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From "charles sitbon (JIRA)" <>
Subject [jira] [Created] (MATH-1238) NoBracketingException send with valid brackets
Date Sun, 21 Jun 2015 11:50:00 GMT
charles sitbon created MATH-1238:

             Summary: NoBracketingException send with valid brackets
                 Key: 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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