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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2017/05/07 20:42:04 UTC

[jira] [Created] (SOLR-10625) Add convolve Stream Evaluator

Joel Bernstein created SOLR-10625:
-------------------------------------

             Summary: Add convolve 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


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 = convolve(cola, colb)
{code}



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