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https://issues.apache.org/jira/browse/SOLR-11607?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Cassandra Targett resolved SOLR-11607.
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Fix Version/s: 7.2
Assignee: Joel Bernstein
Resolution: Fixed
These have been available for a long time (since 7.2 it looks like), so
resolving this as Fixed.
> Add grandSum, sumRows, sumColumns, scalarDivide, scalarMultiply, scalarAdd,
> scalarSubtract Stream Evaluators
> ------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-11607
> URL: https://issues.apache.org/jira/browse/SOLR-11607
> Project: Solr
> Issue Type: New Feature
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Priority: Trivial
> Fix For: 7.2
>
> Attachments: SOLR-11607.patch
>
>
> This ticket adds a set of matrix math functions:
> grandSum: sum of all the values in a matrix
> sumRows: returns a vector with sums of all rows
> sumColums: returns a vector with the sums of columns
> scalarAdd: add a number to each entry in the matrix, returns s new matrix
> scalarSubtract: subtracts a number from each entry in the matrix, returns a
> new matrix
> scalarMultiply: multiplies a number to each entry in the matrix, returns a
> new matrix
> scalarDivide: divides each entry in a matrix by a number, returns a new matrix
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