edu.ucla.stat.SOCR.distributions
Class MaxwellDistribution

java.lang.Object
  edu.ucla.stat.SOCR.core.SOCRValueSettable
      edu.ucla.stat.SOCR.core.Distribution
          edu.ucla.stat.SOCR.distributions.MaxwellDistribution

All Implemented Interfaces:

IValueSettable, Pluginable, java.util.Observer

public class MaxwellDistribution
extends Distribution

This class models the Maxwell distribution with parameter a. The distribution of speeds of molecules in thermal equilibrium as given by statistical mechanics. http://mathworld.wolfram.com/MaxwellDistribution.html .

Field Summary

Fields inherited from class edu.ucla.stat.SOCR.core.Distribution

applet, CONTINUOUS, DISCRETE, MAXMGFXVAL, MAXMGFYVAL, MINMGFXVAL, MIXED, name

Constructor Summary

MaxwellDistribution()
This special constructor creates a new Maxwell distribution with radius 1

MaxwellDistribution(double a)
This general constructor creates a new Maxwell distribution.

Method Summary

double	getDensity(double x) This method computes the getDensity function.
double	getMean() This method computes the mean
double	getMGF(double t) Computes the moment generating function in closed form for a parameter t which lies in the domain of the distribution.
java.lang.String	getOnlineDescription() This method returns an online description of this distribution.
double	getParameter() This method returns the radius parameter.
double	getVariance() This method computes the variance
void	initialize() used for some subclass to initialize before being used
void	setParameter(double _a) This method sets the radius parameter
void	valueChanged()

Methods inherited from class edu.ucla.stat.SOCR.core.Distribution

addObserver, betaCDF, comb, factorial, findGFRoot, findRoot, gamma, gammaCDF, getCDF, getDisplayPane, getDomain, getFailureRate, getGFDerivative, getGFSecondDerivative, getInstance, getLocalHelp, getMaxDensity, getMean, getMedian, getMgfDomain, getName, getPGF, getPGFDomain, getQuantile, getSampleMoment, getSD, getSOCRDistributionFunctors, getSOCRDistributions, getType, getVariance, inverseCDF, logGamma, paramEstimate, perm, sampleMean, sampleVar, setApplet, setDomain, setDomain, setMGFDomain, setMGFDomain, setMGFParameters, setMGFParameters, setMGFParameters, setMGFParameters, setParameters, setPGFDomain, setPGFDomain, setPGFParameters, setPGFParameters, setPGFParameters, setPGFParameters, simulate, update, valueChanged

Methods inherited from class edu.ucla.stat.SOCR.core.SOCRValueSettable

createComponentSetter, createValueSetter, createValueSetter, createValueSetter, createValueSetter, getComponentSetter, getComponentSetters, getValueSetter, getValueSetters

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxwellDistribution

public MaxwellDistribution(double a)

This general constructor creates a new Maxwell distribution.

MaxwellDistribution

public MaxwellDistribution()

This special constructor creates a new Maxwell distribution with radius 1

Method Detail

initialize

public void initialize()

Description copied from class: Distribution

used for some subclass to initialize before being used

Overrides:

initialize in class Distribution

valueChanged

public void valueChanged()

Overrides:

valueChanged in class Distribution

setParameter

public void setParameter(double _a)

This method sets the radius parameter

getDensity

public double getDensity(double x)

This method computes the getDensity function.

Specified by:

getDensity in class Distribution

getMean

public double getMean()

This method computes the mean

Overrides:

getMean in class Distribution

getVariance

public double getVariance()

This method computes the variance

Overrides:

getVariance in class Distribution

getParameter

public double getParameter()

This method returns the radius parameter.

getMGF

public double getMGF(double t)

Computes the moment generating function in closed form for a parameter t which lies in the domain of the distribution.

Overrides:

getMGF in class Distribution

getOnlineDescription

public java.lang.String getOnlineDescription()

This method returns an online description of this distribution.

Overrides:

getOnlineDescription in class Distribution