[jira] [Commented] (MAHOUT-1756) Missing +=: and *=: operators on vectors

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAHOUT-1756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14630758#comment-14630758 ] 

ASF GitHub Bot commented on MAHOUT-1756:
----------------------------------------

GitHub user smarthi opened a pull request:

    https://github.com/apache/mahout/pull/151

    MAHOUT-1756:Adding missing in-place operations in the form  5 +=: vec-expr and 5*=: vec-expr or vec *=: vec-expr

    

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/smarthi/mahout mahout-0.10.x-spcafix

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/mahout/pull/151.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #151
    
----
commit bec6f18d40fa9aa55eeb588560d9ddd03a3f776a
Author: Suneel Marthi <su...@gmail.com>
Date:   2015-07-17T04:35:22Z

    Adding missing in-place operations in the form  5 +=: vec-expr and 5*=: vec-expr or vec *=: vec-expr

----


> Missing +=: and *=: operators on vectors 
> -----------------------------------------
>
>                 Key: MAHOUT-1756
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1756
>             Project: Mahout
>          Issue Type: Improvement
>            Reporter: Dmitriy Lyubimov
>            Assignee: Suneel Marthi
>             Fix For: 0.10.2, 0.11.0
>
>
> Matrices support expressions like a *=: b (do elementwise a*b on b in-place) but vectors don't. sometimes it is highly desirable to do that type of expression, and for consistency, we should enable this for vectors too.



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