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https://issues.apache.org/jira/browse/MAHOUT-1727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suneel Marthi closed MAHOUT-1727.
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> Elementwise analogues of scala.math functions for tensor types
> --------------------------------------------------------------
>
> Key: MAHOUT-1727
> URL: https://issues.apache.org/jira/browse/MAHOUT-1727
> Project: Mahout
> Issue Type: Improvement
> Reporter: Dmitriy Lyubimov
> Assignee: Dmitriy Lyubimov
> Fix For: 0.10.2
>
>
> what we mean here:
> log(5)
> vlog(vec)
> mlog(mxA)
> dlog(drmA)
> in R, all these variants are enacted by single function log(x).
> Unfortunately, we cannot overload standard functions since they are defined
> in another package and Scala would allow such an overload.
> Hence, notation conventions:
> vector functions are prepended by 'v': vlog, vabs...
> in-core matrix functions are prepended by 'm': mlog, mabs...
> DRM functions are prepended by 'd' (for distributed): dlog, dabs...
> PR https://github.com/apache/mahout/pull/135
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