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https://issues.apache.org/jira/browse/MATH-1456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433045#comment-16433045
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Gilles commented on MATH-1456:
------------------------------

Patch welcome.

> Sorted EigenSystem for EigenDecomposition for non-symmetric matrices
> --------------------------------------------------------------------
>
>                 Key: MATH-1456
>                 URL: https://issues.apache.org/jira/browse/MATH-1456
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.6.1
>            Reporter: Mark Williamson
>            Priority: Minor
>
> Would it be possible to have the eigenvalues and associated eigenvectors, 
> sorted by magnitude of the eigenvalues for non-symmetric matrices?
> It seems an ordering is done for symmetric matrices in findEigenVectors()
> [https://github.com/apache/commons-math/blob/master/src/main/java/org/apache/commons/math4/linear/EigenDecomposition.java#L669]
> However, this is not done in findEigenVectorsFromSchur()
>  



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