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Posted to issues@hivemall.apache.org by "Makoto Yui (JIRA)" <ji...@apache.org> on 2017/10/16 12:06:00 UTC

[jira] [Closed] (HIVEMALL-151) Support Matrix conversion from DoK to CSR/CSC matrix

     [ https://issues.apache.org/jira/browse/HIVEMALL-151?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Makoto Yui closed HIVEMALL-151.
-------------------------------
    Resolution: Fixed

> Support Matrix conversion from DoK to CSR/CSC matrix
> ----------------------------------------------------
>
>                 Key: HIVEMALL-151
>                 URL: https://issues.apache.org/jira/browse/HIVEMALL-151
>             Project: Hivemall
>          Issue Type: Improvement
>            Reporter: Makoto Yui
>            Assignee: Makoto Yui
>            Priority: Minor
>
> Scipy support efficient matrix type conversions. Support this kind of Matrix-type conversions.
> https://github.com/scipy/scipy/blob/v0.14.0/scipy/sparse/dok.py#L467
> https://github.com/scipy/scipy/blob/2526df72e5d4ca8bad6e2f4b3cbdfbc33e805865/scipy/sparse/sparsetools/coo.h#L34
> https://github.com/scipy/scipy/blob/88587230d56b17bcd397e10321c65c87c27ac491/scipy/sparse/compressed.py#L859



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