charles sitbon created MATH-1238:
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Summary: 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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