[SOLR-11607] Add grandSum, sumRows, sumColumns, scalarDivide, scalarMultiply, scalarAdd, scalarSubtract Stream Evaluators

• Type: New Feature
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 7.2
• Assignee: Joel Bernstein
• Reporter: Joel Bernstein
• Created: 04/Nov/17 17:37
• Updated: 13/Aug/21 22:34
• Resolved: 13/Aug/21 22:34

Description

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