Joel Bernstein created SOLR-11607:
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Summary: Add grandSum, sumRows, sumColumns, scalarDivide,
scalarMultiply, scalarAd, scalarSubtract Stream Evaluators
Key: SOLR-11607
URL: https://issues.apache.org/jira/browse/SOLR-11607
Project: Solr
Issue Type: New Feature
Security Level: Public (Default Security Level. Issues are Public)
Reporter: Joel Bernstein
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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