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From "Samuel Guo (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HAMA-80) Add identity(int m, int n) which returns an m-by-n matrix with ones on the diagonal and zeros elsewhere.
Date Mon, 13 Oct 2008 10:38:44 GMT

    [ https://issues.apache.org/jira/browse/HAMA-80?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639015#action_12639015
] 

Samuel Guo commented on HAMA-80:
--------------------------------

hmm, ok. 

> Add identity(int m, int n) which returns an m-by-n matrix with ones on the diagonal and
zeros elsewhere.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HAMA-80
>                 URL: https://issues.apache.org/jira/browse/HAMA-80
>             Project: Hama
>          Issue Type: New Feature
>          Components: implementation
>            Reporter: Edward J. Yoon
>            Assignee: Edward J. Yoon
>            Priority: Minor
>             Fix For: 0.1.0
>
>         Attachments: HAMA-80.patch
>
>
> double[][] X;
>       for (int i = 0; i < m; i++) {
>          for (int j = 0; j < n; j++) {
>             X[i][j] = (i == j ? 1.0 : 0.0);
>          }
>       }

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