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

java.lang.Object
  extended by org.apache.poi.ss.formula.functions.Fixed2ArgFunction
      extended by org.apache.poi.ss.formula.functions.XYNumericFunction
          extended by org.apache.poi.ss.formula.functions.Sumx2my2
All Implemented Interfaces:
Function, Function2Arg

public final class Sumx2my2
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 = Σi: 0..n(xi2-yi2)

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


Copyright 2012 The Apache Software Foundation or its licensors, as applicable.