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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MATH-957) Use analytical function for UniformRealDistribution.inverseCumulativeProbability
Date Thu, 28 Mar 2013 10:27:16 GMT

     [ https://issues.apache.org/jira/browse/MATH-957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luc Maisonobe resolved MATH-957.
--------------------------------

       Resolution: Fixed
    Fix Version/s: 3.2

Fixed in subversion repository as of r1462018.

Thanks for the report and for the patch.
                
> Use analytical function for UniformRealDistribution.inverseCumulativeProbability
> --------------------------------------------------------------------------------
>
>                 Key: MATH-957
>                 URL: https://issues.apache.org/jira/browse/MATH-957
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.2
>            Reporter: Evan Ward
>             Fix For: 3.2
>
>         Attachments: uniform.patch
>
>
> The inverse CDF is currently solved by a root finding function. It would be much simpler
(and faster) to use the analytical expression. This would save the user from having to set
the inverseCumAccuracy correctly.
> I've attached a patch that implements this.

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