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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 400 and 401]

(no description)

File Size: 143 lines (4 kb)
Included or required:0 times
Referenced: 0 times
Includes or requires: 0 files

Defines 1 class

SumSquares:: (6 methods):
  sumSquare()
  getCount()
  numericNotString()
  sumXSquaredMinusYSquared()
  sumXSquaredPlusYSquared()
  sumXMinusYSquared()


Class: SumSquares  - X-Ref

sumSquare(...$args)   X-Ref
SUMSQ.

SUMSQ returns the sum of the squares of the arguments

Excel Function:
SUMSQ(value1[,value2[, ...]])

param: mixed ...$args Data values
return: float|string

getCount(array $array1, array $array2)   X-Ref
No description

numericNotString($item)   X-Ref
These functions accept only numeric arguments, not even strings which are numeric.

param: mixed $item

sumXSquaredMinusYSquared($matrixData1, $matrixData2)   X-Ref
SUMX2MY2.

param: mixed[] $matrixData1 Matrix #1
param: mixed[] $matrixData2 Matrix #2
return: float|string

sumXSquaredPlusYSquared($matrixData1, $matrixData2)   X-Ref
SUMX2PY2.

param: mixed[] $matrixData1 Matrix #1
param: mixed[] $matrixData2 Matrix #2
return: float|string

sumXMinusYSquared($matrixData1, $matrixData2)   X-Ref
SUMXMY2.

param: mixed[] $matrixData1 Matrix #1
param: mixed[] $matrixData2 Matrix #2
return: float|string