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Cassandra Targett updated SOLR-10685: ------------------------------------- Component/s: streaming expressions > Add Fast Cosine Transform and Inverse Fast Cosine Transform Stream Evaluators > ----------------------------------------------------------------------------- > > Key: SOLR-10685 > URL: https://issues.apache.org/jira/browse/SOLR-10685 > Project: Solr > Issue Type: New Feature > Components: streaming expressions > Reporter: Joel Bernstein > Assignee: Joel Bernstein > Priority: Major > Fix For: 8.1, main (9.0) > > Attachments: SOLR-10685.patch > > > The fast cosine transform Stream Evaluator can be used to smooth > non-stationary time series data. > Syntax: > fast cosine transform: > {code} > a = fct(colA) > {code} > Inverse fast cosine transform: > {code} > a = fcti(colA) > {code} > FCT implementation provided by Apache Commons Math. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For additional commands, e-mail: issues-h...@solr.apache.org