[jira] Updated: (HAMA-171) Find the maximum absolute row sum using MapReduce

["Edward J. Yoon (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HAMA-171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward J. Yoon updated HAMA-171:
--------------------------------

    Attachment: HAMA-171.patch

Attach my patch. nome.one implemented.

> Find the maximum absolute row sum using MapReduce
> -------------------------------------------------
>
>                 Key: HAMA-171
>                 URL: https://issues.apache.org/jira/browse/HAMA-171
>             Project: Hama
>          Issue Type: Sub-task
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>         Attachments: HAMA-171.patch
>
>
>                                                                                    j=n
> The maximum absolute row sum =   max     ( sum | a_{i,j} | ) 
>                                                                1<=i<=n     j=1
> - A map task receives a row n as a key, and vector of each row as its value
>  - emit (row, the sum of the absolute value of each entries)
> - Reduce task select the maximum one

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