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https://issues.apache.org/jira/browse/MAHOUT-1300?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitriy Lyubimov updated MAHOUT-1300:
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Attachment: MAHOUT-1300.patch.2
another iteration of fixes. IDEA format hit more than i wanted at times
unfortunately.
> Support for easy functional matrix views and some of their derivatives
> ----------------------------------------------------------------------
>
> Key: MAHOUT-1300
> URL: https://issues.apache.org/jira/browse/MAHOUT-1300
> Project: Mahout
> Issue Type: Improvement
> Affects Versions: 0.8
> Reporter: Dmitriy Lyubimov
> Assignee: Dmitriy Lyubimov
> Fix For: 0.9
>
> Attachments: MAHOUT-1300.patch, MAHOUT-1300.patch.1,
> MAHOUT-1300.patch.2
>
>
> Support for easy matrix views based on (Int,Int)=>Double function.
> Current derived views:
> (1) general functional view
> (2) transposed matrix view
> (3) uniform matrix view (based on function composition over symmetric uniform)
> (4) symmetric uniform matrix view (based on murmur64)
> (5) random gaussian matrix view.
> I know that there's a trinary random matrix as well which could be scripted
> out as a view as well (methinks), as well as Omega thing in distributed SSVD
> which also perhaps could be replaced by a symmetric uniform view.
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