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https://issues.apache.org/jira/browse/HAMA-170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707290#action_12707290
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Samuel Guo commented on HAMA-170:
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Edward, It seems that you mis-understand Norm-1 and Norm-inf.
'Norm-1' is simply the maximum absolute column sum of the matrix
'Norm-inf' is simply the maximum absolute row sum of the matrix
Plz check the wikipedia: http://en.wikipedia.org/wiki/Matrix_norm
> Implementation of Matrix.Norm
> -----------------------------
>
> Key: HAMA-170
> URL: https://issues.apache.org/jira/browse/HAMA-170
> Project: Hama
> Issue Type: Improvement
> Components: implementation
> Affects Versions: 0.1.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
>
> enum Norm {
> /** Maximum absolute row sum */
> One,
> /** The root of sum of the sum of squares */
> Frobenius,
>
> /** Largest entry in absolute value */
> Infinity,
>
> /** Largest entry in absolute value. Not a proper matrix norm */
> Maxvalue
> }
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