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From "Phil Steitz (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (MATH-886) SingularValueDecomposition fails to calcuate matrix rank
Date Mon, 29 Oct 2012 16:22:13 GMT

    [ https://issues.apache.org/jira/browse/MATH-886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486118#comment-13486118
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Phil Steitz edited comment on MATH-886 at 10/29/12 4:20 PM:
------------------------------------------------------------

This looks like a duplicate to MATH-465, which was resolved in 3.0
                
      was (Author: psteitz):
    This looks like a duplicate to MATH-465, which was resolved on 3.0
                  
> SingularValueDecomposition fails to calcuate matrix rank
> --------------------------------------------------------
>
>                 Key: MATH-886
>                 URL: https://issues.apache.org/jira/browse/MATH-886
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 2.2
>         Environment: jdk1.6 on windows machine
>            Reporter: alberto trivellato
>
> for the matrix {{0.0,1.0,0.0,1.0,1.0,1.0,0.0,0.0},
>  {0.0,0.0,1.0,0.0,0.0,0.0,1.0,1.0},
>  {1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0},
>  {1.0,0.0,0.0,0.0,0.0,0.0,0.0,0.0}}, SVD return rank=4, but it is 3.

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