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https://issues.apache.org/jira/browse/SYSTEMML-1811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121215#comment-16121215
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Matthias Boehm commented on SYSTEMML-1811:
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That's fine - don't worry. I just closed it to cleanup the list of open issues.

> Can we Implement X%*%t(X) in a better way?
> ------------------------------------------
>
>                 Key: SYSTEMML-1811
>                 URL: https://issues.apache.org/jira/browse/SYSTEMML-1811
>             Project: SystemML
>          Issue Type: Improvement
>            Reporter: Janardhan
>            Assignee: Matthias Boehm
>             Fix For: Not Applicable
>
>
> A matrix multiplied by its self transpose is a frequent occurrence in many 
> algorithms ( a lot of them). There is definitely a way to take into 
> consideration the special properties of this matrix operation.



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