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Posted to issues@flink.apache.org by "Chiwan Park (JIRA)" <ji...@apache.org> on 2016/02/05 01:54:39 UTC

[jira] [Commented] (FLINK-3330) Add SparseVector support to GradientDescent in FlinkML

    [ https://issues.apache.org/jira/browse/FLINK-3330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15133436#comment-15133436 ] 

Chiwan Park commented on FLINK-3330:
------------------------------------

[~till.rohrmann] Thanks! I assigned this issue to you and rename it.

> Add SparseVector support to GradientDescent in FlinkML
> ------------------------------------------------------
>
>                 Key: FLINK-3330
>                 URL: https://issues.apache.org/jira/browse/FLINK-3330
>             Project: Flink
>          Issue Type: Improvement
>          Components: Machine Learning Library
>    Affects Versions: 1.0.0
>            Reporter: Chiwan Park
>            Assignee: Till Rohrmann
>
> A user reported the problem using {{GradientDescent}} algorithm with {{SparseVector}}. (http://mail-archives.apache.org/mod_mbox/flink-user/201602.mbox/%3CCAMJxVsiNRy_B349tuRpC%2BY%2BfyW7j2SHcyVfhqnz3BGOwEHXHpg%40mail.gmail.com%3E)
> It seems lack of SparseVector support in {{BLAS.axpy}}.



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