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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2018/10/03 14:23:00 UTC
[jira] [Created] (SOLR-12828) Add oscillate Stream Evaluator to
support sine wave analysis
Joel Bernstein created SOLR-12828:
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Summary: Add oscillate Stream Evaluator to support sine wave analysis
Key: SOLR-12828
URL: https://issues.apache.org/jira/browse/SOLR-12828
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Joel Bernstein
The *oscillate* function predicts control points of a sine wave given *amplitude*, *angular frequency* and *phase* parameters.
As part of this ticket the work on the *harmonicFit* Stream Evaluator will also be finished so to support sine wave curve fitting.
Implementation for *oscillate* and *harmonicFit* provided by Apache Commons Math
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