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https://issues.apache.org/jira/browse/SOLR-10625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Bernstein resolved SOLR-10625.
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Resolution: Resolved
Fix Version/s: master (7.0)
6.6
> Add convolution Stream Evaluator
> --------------------------------
>
> Key: SOLR-10625
> URL: https://issues.apache.org/jira/browse/SOLR-10625
> Project: Solr
> Issue Type: New Feature
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Fix For: 6.6, master (7.0)
>
> Attachments: SOLR-10625.patch
>
>
> This ticket adds a *convolve* stream evaluator that returns the convolution
> of two sequences. The convolve function achieves a result similar to
> *cross-correlation*.
> Syntax:
> {code}
> a = conv(cola, colb)
> {code}
> Implementation is provided by Apache Commons Math.
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