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Date: Thu, 19 Feb 2009 17:54:01 -0800 (PST)
From: "Edward J. Yoon (JIRA)" <jira@apache.org>
To: hama-dev@incubator.apache.org
Subject: [jira] Updated: (HAMA-153) Need some condition-check before matrix
 algebra
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     [ https://issues.apache.org/jira/browse/HAMA-153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward J. Yoon updated HAMA-153:
--------------------------------

    Status: Patch Available  (was: Open)

Rescheduling for hudson +1

> Need some condition-check before matrix algebra
> -----------------------------------------------
>
>                 Key: HAMA-153
>                 URL: https://issues.apache.org/jira/browse/HAMA-153
>             Project: Hama
>          Issue Type: Bug
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Samuel Guo
>            Priority: Minor
>             Fix For: 0.1.0
>
>         Attachments: HAMA-153.patch, HAMA-153_v02.patch, HAMA-153_v03.patch, HAMA-153_v04.patch
>
>
> some conditions will be checked before we construct the result matrix and compose the matrix algebra map/reduce job.
> for examples,
> A + B, we need check that A.rows = B.rows & A.columns = B.columns
> A * B, we need check that A.columns = B.rows.

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