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Posted to dev@lucene.apache.org by "Joel Bernstein (JIRA)" <ji...@apache.org> on 2017/12/21 17:58:00 UTC

[jira] [Assigned] (SOLR-11789) Add integrate Stream Evaluator

     [ https://issues.apache.org/jira/browse/SOLR-11789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein reassigned SOLR-11789:
-------------------------------------

    Assignee: Joel Bernstein

> Add integrate Stream Evaluator
> ------------------------------
>
>                 Key: SOLR-11789
>                 URL: https://issues.apache.org/jira/browse/SOLR-11789
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>
> Now that we have *splines* and *derivatives* it makes sense to add *integration*.  The *integrate* Stream Evaluator will perform a Romberg Integration (https://en.wikipedia.org/wiki/Romberg%27s_method) given a spline and min and max values.
> Implementation provided by Apache Commons Math



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