[jira] Updated: (HAMA-80) Add identity(int m, int n) which returns an m-by-n matrix with ones on the diagonal and zeros elsewhere.

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

     [ https://issues.apache.org/jira/browse/HAMA-80?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward J. Yoon updated HAMA-80:
-------------------------------

    Attachment: HAMA-80.patch

added to DenseMatrix.

> 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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