yunfengzhou-hub opened a new pull request, #163:
URL: https://github.com/apache/flink-ml/pull/163
## What is the purpose of the change
This PR adds functions to convert between Vectors and numerical arrays
## Brief change log
- Adds ScalarFunctions to convert Vectors to arrays and back.
- Adds static utility functions to wrap the conversion logic.
- Adds support for DenseVector DataType in python.
- Adds examples and documentation of the utility functions above.
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): (no)
- The public API, i.e., is any changed class annotated with
`@Public(Evolving)`: (yes)
## Documentation
- Does this pull request introduce a new feature? (yes)
- If yes, how is the feature documented? (JavaDocs)
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