[jira] Created: (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)]

Add identity(int m, int n) which returns an m-by-n matrix with ones on the 
diagonal and zeros elsewhere.
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                 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


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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