edu.uah.math.distributions
Class NormalDistribution

java.lang.Object
  |
  +--edu.uah.math.distributions.Distribution
        |
        +--edu.uah.math.distributions.NormalDistribution

public class NormalDistribution

extends Distribution

This class encapsulates the normal distribution with specified parameters

Field Summary

static double

C

Fields inherited from class edu.uah.math.distributions.Distribution

CONTINUOUS, DISCRETE, MIXED

Constructor Summary

NormalDistribution()
This default constructor creates a new standard normal distribution

NormalDistribution(double mu, double sigma)
This general constructor creates a new normal distribution with specified parameter values

Method Summary

double	getCDF(double x) This method computes the cumulative distribution function
double	getDensity(double x) This method defines the getDensity function
double	getMaxDensity() This method returns the maximum value of the getDensity function
double	getMean() This method returns the mean
double	getMedian() This method returns the median
double	getMu() This method returns the location parameter
double	getSigma() This method gets the scale parameter
double	getVariance() This method returns the variance
void	setMu(double m) This method sets the location parameter
void	setParameters(double m, double s) This method sets the parameters
void	setSigma(double s) This method sets the scale parameter
double	simulate() This method simulates a value from the distribution

Methods inherited from class edu.uah.math.distributions.Distribution

betaCDF, comb, factorial, gamma, gammaCDF, getDomain, getFailureRate, getQuantile, getSD, getType, logGamma, perm, setParameters

Methods inherited from class java.lang.Object

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

Field Detail

C

public static final double C

Constructor Detail

NormalDistribution

public NormalDistribution(double mu,
                          double sigma)

This general constructor creates a new normal distribution with specified parameter values

NormalDistribution

public NormalDistribution()

This default constructor creates a new standard normal distribution

Method Detail

setParameters

public void setParameters(double m,
                          double s)

This method sets the parameters

getDensity

public double getDensity(double x)

This method defines the getDensity function

Specified by:

getDensity in class Distribution

getMaxDensity

public double getMaxDensity()

This method returns the maximum value of the getDensity function

Overrides:

getMaxDensity in class Distribution

getMedian

public double getMedian()

This method returns the median

Overrides:

getMedian in class Distribution

getMean

public double getMean()

This method returns the mean

Overrides:

getMean in class Distribution

getVariance

public double getVariance()

This method returns the variance

Overrides:

getVariance in class Distribution

simulate

public double simulate()

This method simulates a value from the distribution

Overrides:

simulate in class Distribution

getMu

public double getMu()

This method returns the location parameter

setMu

public void setMu(double m)

This method sets the location parameter

getSigma

public double getSigma()

This method gets the scale parameter

setSigma

public void setSigma(double s)

This method sets the scale parameter

getCDF

public double getCDF(double x)

This method computes the cumulative distribution function

Overrides:

getCDF in class Distribution