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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HAMA-30) Add scaling method to VectorInterface
Date Tue, 12 Aug 2008 09:38:44 GMT

     [ https://issues.apache.org/jira/browse/HAMA-30?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon resolved HAMA-30.
--------------------------------

    Resolution: Fixed

test:
    [junit] Running org.apache.hama.TestMatrix
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 38.13 sec
    [junit] Running org.apache.hama.TestRandomVariable
    [junit] Tests run: 3, Failures: 0, Errors: 0, Time elapsed: 0.008 sec
    [junit] Running org.apache.hama.TestVector
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 38.864 sec
    [junit] Running org.apache.hama.mapred.TestMatrixMapReduce
    [junit] Tests run: 1, Failures: 0, Errors: 0, Time elapsed: 59.948 sec

BUILD SUCCESSFUL
Total time: 2 minutes 21 seconds

Local test passed. Resolving.

> Add scaling method to VectorInterface
> -------------------------------------
>
>                 Key: HAMA-30
>                 URL: https://issues.apache.org/jira/browse/HAMA-30
>             Project: Hama
>          Issue Type: New Feature
>          Components: implementation
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>         Attachments: HAMA-30.patch
>
>
> To perform the matrix multiplication, it needs scalar multiplication of a whole vector
> v = alpha*v
> public Vector scale(double alpha);

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