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https://issues.apache.org/jira/browse/MAHOUT-531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Hans updated MAHOUT-531:
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Attachment: MAHOUT-531.patch
Updated patch, renamed getNumActuallySetElements() and iterateActuallySet() to
getNumNonZeroElements() and iterateNonZero(). For DenseMatrix this needed some
work, as iterateActuallySet() just iterated over all values, while
iterateNonZero() must skip values that are zero.
> MatrixWritable doesn't actually write/read anything
> ---------------------------------------------------
>
> Key: MAHOUT-531
> URL: https://issues.apache.org/jira/browse/MAHOUT-531
> Project: Mahout
> Issue Type: Bug
> Components: Math
> Reporter: Alexander Hans
> Attachments: MAHOUT-531.patch
>
>
> The write() and readFields() methods of MatrixWritable write/read only the
> classname, they don't write/read actual data.
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