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https://issues.apache.org/jira/browse/SOLR-11321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein resolved SOLR-11321.
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    Resolution: Resolved

> Add ebeAdd, ebeSubtract, ebeDivide, ebeMultiply, dotProduct and 
> cosineSimilarity Stream Evaluators 
> ---------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-11321
>                 URL: https://issues.apache.org/jira/browse/SOLR-11321
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>             Fix For: master (8.0), 7.1
>
>         Attachments: SOLR-11321.patch, SOLR-11321.patch
>
>
> This ticket adds some important vector math evaluators to the statistical 
> programming library.
> *ebeAdd*: Element by element addition of two vectors
> *ebeSubtract*: Element by element subtraction of two vectors
> *ebeMultiply*: Element by element multiplication of two vectors
> *ebeDivide*: Element by element division of two vectors
> *dotProduct*: The dot product of two vectors
> *consineSimilartiy*: The cosine similarity of two vectors



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