unl.cusack.estimator
Class PiEstimatorModel

java.lang.Object
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  +--unl.cusack.estimator.EstimatorModel
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        +--unl.cusack.estimator.PiEstimatorModel

public class PiEstimatorModel

extends EstimatorModel

A subclass of EstimatorModel that estimates the value of PI by using the formula pi=4-(4/3)+(4/5)-(4/7)+...

Field Summary

Fields inherited from class unl.cusack.estimator.EstimatorModel

estimates, estimatorListeners

Constructor Summary

PiEstimatorModel()
The plain-jane constructor.

Method Summary

double	computePiEstimate(int n) Computes the partial sum to estimate pi.
void	recalculateEstimates() From the abstract classs recalculates each of the estimates, based on the formula, and the parameters.

Methods inherited from class unl.cusack.estimator.EstimatorModel

addEstimatorListener, dataChanged, getEstimate, getEstimatorInterval, getFirstEstimate, getMaximumEstimate, getMinimumEstimate, getNumberOfEstimates, setEstimateInterval, setFirstEstimate, setNumberOfEstimates, setParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

PiEstimatorModel

public PiEstimatorModel()

The plain-jane constructor.

Method Detail

computePiEstimate

public double computePiEstimate(int n)

Computes the partial sum to estimate pi.

Parameters:

n - the last index of the sum

recalculateEstimates

public void recalculateEstimates()

From the abstract classs recalculates each of the estimates, based on the formula, and the parameters.

Specified by:

recalculateEstimates in class EstimatorModel