[jira] [Created] (FLINK-1979) Implement Loss Functions

[Shang Yuanchun (Jira)]

Johannes Günther created FLINK-1979:
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             Summary: 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
            Priority: Minor


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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