[jira] [Resolved] (SOLR-10625) Add convolution Stream Evaluator

["Joel Bernstein (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-10625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein resolved SOLR-10625.
-----------------------------------
       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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