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https://issues.apache.org/jira/browse/MATH-466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gilles resolved MATH-466.
-------------------------

       Resolution: Fixed
    Fix Version/s: 3.0

Added preconditions checks in revision 1056391.

> BaseMultiStartMultivariateRealOptimizer.optimize() can generate NPE if starts 
> < 1
> ---------------------------------------------------------------------------------
>
>                 Key: MATH-466
>                 URL: https://issues.apache.org/jira/browse/MATH-466
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.0
>            Reporter: Sebb
>            Assignee: Gilles
>             Fix For: 3.0
>
>
> The Javadoc for BaseMultiStartMultivariateRealOptimizer says that starts can 
> be <= 1; however if it is set to 0, then the optimize() method will try to 
> throw a null exception.
> Perhaps starts should be constrained to be at least 1?

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