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https://issues.apache.org/jira/browse/MATH-1191?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phil Steitz updated MATH-1191:
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Description: The protected decompose and performHouseholderReflection
methods in QRDecomposition act on the qr matrix set by the constructor, not
whatever matrix is supplied as actual parameter. For 3.x, the javadoc should
be updated to indicate that the actual parameter is ignored. For 4.0, the
parameters should be removed. Alternatively, implementations could be changed
to act on the arguments. (was: The protected decompose and
performHouseholderReflection methods in QRDecomposition act on the qr matrix
set by the constructor, not whatever matrix is supplied as actual parameter.
For 3.x, the javadoc should be updated to indicate that the actual parameter is
ignored. For 4.0, the parameters should be removed.)
> QRDecomposition decompose and performHouseholderReflection methods ignore
> matrix parameters
> -------------------------------------------------------------------------------------------
>
> Key: MATH-1191
> URL: https://issues.apache.org/jira/browse/MATH-1191
> Project: Commons Math
> Issue Type: Bug
> Affects Versions: 3.3
> Reporter: Phil Steitz
> Fix For: 4.0, 3.4.2
>
>
> The protected decompose and performHouseholderReflection methods in
> QRDecomposition act on the qr matrix set by the constructor, not whatever
> matrix is supplied as actual parameter. For 3.x, the javadoc should be
> updated to indicate that the actual parameter is ignored. For 4.0, the
> parameters should be removed. Alternatively, implementations could be
> changed to act on the arguments.
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