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vector_dot(array x, array y) – Performs vector dot product.

SELECT vector_dot(array(1.0,2.0,3.0),array(2.0,3.0,4.0));

SELECT vector_dot(array(1.0,2.0,3.0),2);

Platforms: WhereOS, Spark, Hive

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

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