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Posted to issues@commons.apache.org by "Gilles (JIRA)" <ji...@apache.org> on 2012/10/29 17:06:12 UTC
[jira] [Commented] (MATH-886) SingularValueDecomposition fails to
calcuate matrix rank
[ https://issues.apache.org/jira/browse/MATH-886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13486108#comment-13486108 ]
Gilles commented on MATH-886:
-----------------------------
Did you try with Commons Math v3.0?
> 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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