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https://issues.apache.org/jira/browse/MAHOUT-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13016285#comment-13016285
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Sean Owen commented on MAHOUT-550:
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Well it turns out MersenneTwisterRNG won't take a new seed, but it just means 
setSeed() in RandomWrapper needs to make a new RNG instead. I can add that, 
it's a detail.

> Add RandomVector and RandomMatrix
> ---------------------------------
>
>                 Key: MAHOUT-550
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-550
>             Project: Mahout
>          Issue Type: New Feature
>          Components: Math
>            Reporter: Lance Norskog
>            Assignee: Sean Owen
>         Attachments: MAHOUT-550.patch, MAHOUT-550.patch, RandomMatrix.patch
>
>
> Add Vector and Matrix implementations that generate a unique and reproducible 
> random number for each index.

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