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https://issues.apache.org/jira/browse/FLINK-1979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14565253#comment-14565253
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ASF GitHub Bot commented on FLINK-1979:
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Github user aalexandrov commented on the pull request:
https://github.com/apache/flink/pull/656#issuecomment-106907665
This needs a PR before it is merged. @jojo19893, @mguldner please cherry
pick your changes such that you have only one or two commits and force push in
this branch as suggested by @tillrohrmann in the JIRA.
> Implement Loss Functions
> ------------------------
>
> Key: FLINK-1979
> URL: https://issues.apache.org/jira/browse/FLINK-1979
> Project: Flink
> Issue Type: Improvement
> Components: Machine Learning Library
> Reporter: Johannes Günther
> Assignee: Johannes Günther
> Priority: Minor
> Labels: ML
>
> For convex optimization problems, optimizer methods like SGD rely on a
> pluggable implementation of a loss function and its first derivative.
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