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From "Edward J. Yoon (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HAMA-176) Implementation of singular value decomposition
Date Fri, 05 Jun 2009 03:33:07 GMT

    [ https://issues.apache.org/jira/browse/HAMA-176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12716486#action_12716486
] 

Edward J. Yoon commented on HAMA-176:
-------------------------------------

MEMO: Check the Jacobi ,  iteration, and Lancoz methods.

> Implementation of singular value decomposition
> ----------------------------------------------
>
>                 Key: HAMA-176
>                 URL: https://issues.apache.org/jira/browse/HAMA-176
>             Project: Hama
>          Issue Type: New Feature
>          Components: implementation
>    Affects Versions: 0.1.0
>            Reporter: Edward J. Yoon
>             Fix For: 0.1.0
>
>
> 1) Computes A(T) and A(T)A
> 2) Computes eigenvalue of A(T)A, singular values s1, s2 of A
> 3) Computes S, S(-1) using s1, s2
> 4) Computes V(T) using eigenvector of A(T)A

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