org.lsmp.djep.xjep.function

Class Product

java.lang.Object

org.nfunk.jep.function.PostfixMathCommand

org.lsmp.djep.xjep.function.SumType

org.lsmp.djep.xjep.function.Product

All Implemented Interfaces:

Serializable, CallbackEvaluationI, PostfixMathCommandI

public class Product
extends SumType

A product function product(x^2,x,1,10) finds the product of x^2 with x running from 1 to 10.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Product()

Method Summary

Modifier and Type	Method and Description
Object	evaluate(Object[] elements) Evaluates the function given the set of y values.

Methods inherited from class org.lsmp.djep.xjep.function.SumType

checkNumberOfParameters, evaluate, evaluate, run

Methods inherited from class org.nfunk.jep.function.PostfixMathCommand

getNumberOfParameters, setCurNumberOfParameters

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Product

public Product()

Method Detail

evaluate

public Object evaluate(Object[] elements)
                throws ParseException

Description copied from class: SumType

Evaluates the function given the set of y values. For example for Sum(x^2,x,1,5) the function will be passed the array [1,4,9,16,25].

Specified by:

evaluate in class SumType

Parameters:

elements - the y values

Returns:

the result of the function

Throws:

ParseException