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https://issues.apache.org/jira/browse/MATH-947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luc Maisonobe resolved MATH-947.
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Resolution: Fixed
Fix Version/s: 3.2
Fixed in subversion repository as of r1456931.
Thanks for the report.
> SingularValueDecomposition constructor blocks with NaN in the matrix
> --------------------------------------------------------------------
>
> Key: MATH-947
> URL: https://issues.apache.org/jira/browse/MATH-947
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.0
> Environment: jdk1.7.0_13 32bit, Netbeans 7.2.1, Win7 x64
> Reporter: Matti Franssila
> Priority: Critical
> Fix For: 3.2
>
>
> //Create coefficient (A) Matrix
> RealMatrix coefficients =
> new Array2DRowRealMatrix(coeffs);
> SingularValueDecomposition svd = new
> SingularValueDecomposition(coefficients);
> //When coeffs is a 2x2 matrix with all elements Nan, the constructor blocks
> indefinitely /w 100% CPU usage
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