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Posted to issues@commons.apache.org by "Phil Steitz (JIRA)" <ji...@apache.org> on 2008/09/27 20:09:44 UTC

[jira] Commented: (MATH-207) Implementation of GeneticAlgorithm.nextGeneration() is wrong

    [ https://issues.apache.org/jira/browse/MATH-207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12635173#action_12635173 ] 

Phil Steitz commented on MATH-207:
----------------------------------

Patch applied to MATH_2_0 branch in r699704.

Leaving open because I think we need to either make nextGeneration public or protected or make it configurable.  Interested in comments on this.

> Implementation of GeneticAlgorithm.nextGeneration() is wrong
> ------------------------------------------------------------
>
>                 Key: MATH-207
>                 URL: https://issues.apache.org/jira/browse/MATH-207
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: David Stefka
>             Fix For: 2.0
>
>         Attachments: patch
>
>   Original Estimate: 0.17h
>  Remaining Estimate: 0.17h
>
> The implementation of GeneticAlgorithm.nextGeneration() is wrong, since the only way how a Chromosome can get into the new generation is by mutation. 
> Enclosed, I am sending a patch for this.

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