[jira] Updated: (HAMA-153) Need some condition-check before matrix algebra

["Samuel Guo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HAMA-153?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Samuel Guo updated HAMA-153:
----------------------------

    Attachment: HAMA-153.patch

> 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
>            Reporter: Samuel Guo
>            Priority: Minor
>         Attachments: HAMA-153.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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