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Posted to issues@systemml.apache.org by "Janardhan (JIRA)" <ji...@apache.org> on 2017/08/10 07:50:00 UTC

[jira] [Commented] (SYSTEMML-1811) Can we Implement X%*%t(X) in a better way?

    [ https://issues.apache.org/jira/browse/SYSTEMML-1811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16121208#comment-16121208 ] 

Janardhan commented on SYSTEMML-1811:
-------------------------------------

Thanks Matthias Boehm for helping me understand these operations. I am not aware these operations when I created this jira.

> 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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