[jira] [Created] (FLINK-13671) Add class for VectorEleWiseProductMapper

[Shang Yuanchun (Jira)]

Xu Yang created FLINK-13671:
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             Summary: Add class for VectorEleWiseProductMapper
                 Key: FLINK-13671
                 URL: https://issues.apache.org/jira/browse/FLINK-13671
             Project: Flink
          Issue Type: Sub-task
          Components: Library / Machine Learning
            Reporter: Xu Yang


VectorEleWiseProduct multiplies each input vector by a provided “scaling” vector, using element-wise multiplication. In other words, it scales each column of the dataset by a scalar multiplier.
 * Add VectorEleWiseProductMapper for the operation of the vector elewise production.
 * Add VectorElementwiseProductParams for the parameters of VectorEleWiseProductMapper.
 * Add ElementwiseProductMapperTest for the test example.



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