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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HAMA-92) Add subMatrix(int i0, int i1, int j0, int j1) to Matrix
Date Tue, 28 Oct 2008 04:42:44 GMT

     [ https://issues.apache.org/jira/browse/HAMA-92?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Edward J. Yoon updated HAMA-92:
-------------------------------

    Attachment: HAMA-92.patch

Here's the patch. I add a SubMatrix class.

> Add subMatrix(int i0, int i1, int j0, int j1) to Matrix
> -------------------------------------------------------
>
>                 Key: HAMA-92
>                 URL: https://issues.apache.org/jira/browse/HAMA-92
>             Project: Hama
>          Issue Type: Improvement
>          Components: implementation, interface
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>             Fix For: 0.1.0
>
>         Attachments: HAMA-92.patch
>
>
> I propose a submatrix method as describe below.
>   /**
>    * Returns the sub-matrix of matrix
>    * 
>    * @param i0 the start index of row
>    * @param i1 the end index of row
>    * @param j0 the start index of column
>    * @param j1 the end index of column
>    * @return the sub-matrix of matrix
>    * @throws IOException
>    */
>   public Matrix subMatrix(int i0, int i1, int j0, int j1) throws IOException;

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