Sumx2my2 (POI API Documentation)

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org.apache.poi.ss.formula.functions
Class Sumx2my2

java.lang.Object
  org.apache.poi.ss.formula.functions.Fixed2ArgFunction
      org.apache.poi.ss.formula.functions.XYNumericFunction
          org.apache.poi.ss.formula.functions.Sumx2my2

All Implemented Interfaces:: Function, Function2Arg

public final class Sumx2my2
extends XYNumericFunction
extends XYNumericFunction

Implementation of Excel function SUMX2MY2()

Calculates the sum of differences of squares in two arrays of the same size.
Syntax:
SUMX2MY2(arrayX, arrayY)

result = Σ_{i: 0..n}(x_i²-y_i²)

Author:: Amol S. Deshmukh < amolweb at ya hoo dot com >

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.poi.ss.formula.functions.XYNumericFunction
`XYNumericFunction.Accumulator`

Constructor Summary
`Sumx2my2()`

Method Summary
`protected XYNumericFunction.Accumulator`	`createAccumulator()` Constructs a new instance of the Accumulator used to calculated this function

Methods inherited from class org.apache.poi.ss.formula.functions.XYNumericFunction
`evaluate`

Methods inherited from class org.apache.poi.ss.formula.functions.Fixed2ArgFunction
`evaluate`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

Sumx2my2

public Sumx2my2()

Method Detail

createAccumulator

protected XYNumericFunction.Accumulator createAccumulator()

Description copied from class: XYNumericFunction

Constructs a new instance of the Accumulator used to calculated this function

Specified by:: createAccumulator in class XYNumericFunction