Package de.uka.ipd.sdq.probfunction.math.apache.distribution

Class LognormalDistributionImpl

java.lang.Object

org.apache.commons.math.distribution.AbstractDistribution

org.apache.commons.math.distribution.AbstractContinuousDistribution

org.apache.commons.math.distribution.NormalDistributionImpl

de.uka.ipd.sdq.probfunction.math.apache.distribution.LognormalDistributionImpl

All Implemented Interfaces:

Serializable, org.apache.commons.math.distribution.ContinuousDistribution, org.apache.commons.math.distribution.Distribution, org.apache.commons.math.distribution.HasDensity<Double>, org.apache.commons.math.distribution.NormalDistribution

Direct Known Subclasses:

LognormalDistributionFromMomentsImpl

public class LognormalDistributionImpl
extends org.apache.commons.math.distribution.NormalDistributionImpl
implements org.apache.commons.math.distribution.NormalDistribution

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.commons.math.distribution.NormalDistributionImpl

DEFAULT_INVERSE_ABSOLUTE_ACCURACY

Constructor Summary

Constructors

Constructor	Description
LognormalDistributionImpl(double mu, double sigma)	Create a normal distribution using the given mean and standard deviation.

Method Summary

Modifier and Type	Method	Description
double	cumulativeProbability(double x)
double	cumulativeProbability(double x0, double x1)
double	density(double x)
protected double	getDomainLowerBound(double p)
protected double	getDomainUpperBound(double p)
protected double	getInitialDomain(double p)
double	getMean()
double	getStandardDeviation()
double	inverseCumulativeProbability(double p)

Methods inherited from class org.apache.commons.math.distribution.NormalDistributionImpl

density, getSolverAbsoluteAccuracy, setMean, setStandardDeviation

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.commons.math.distribution.NormalDistribution

density, setMean, setStandardDeviation

Constructor Detail

LognormalDistributionImpl

public LognormalDistributionImpl(double mu,
                                 double sigma)

Create a normal distribution using the given mean and standard deviation.

Parameters:

mean - mean for this distribution

sd - standard deviation for this distribution

Method Detail

cumulativeProbability

public double cumulativeProbability(double x)
                             throws org.apache.commons.math.MathException

Specified by:

cumulativeProbability in interface org.apache.commons.math.distribution.Distribution

Overrides:

cumulativeProbability in class org.apache.commons.math.distribution.NormalDistributionImpl

Throws:

org.apache.commons.math.MathException

cumulativeProbability

public double cumulativeProbability(double x0,
                                    double x1)
                             throws org.apache.commons.math.MathException

Specified by:

cumulativeProbability in interface org.apache.commons.math.distribution.Distribution

Overrides:

cumulativeProbability in class org.apache.commons.math.distribution.AbstractDistribution

Throws:

org.apache.commons.math.MathException

getMean

public double getMean()

Specified by:

getMean in interface org.apache.commons.math.distribution.NormalDistribution

Overrides:

getMean in class org.apache.commons.math.distribution.NormalDistributionImpl

density

public double density(double x)

Overrides:

density in class org.apache.commons.math.distribution.NormalDistributionImpl

getStandardDeviation

public double getStandardDeviation()

Specified by:

getStandardDeviation in interface org.apache.commons.math.distribution.NormalDistribution

Overrides:

getStandardDeviation in class org.apache.commons.math.distribution.NormalDistributionImpl

inverseCumulativeProbability

public double inverseCumulativeProbability(double p)
                                    throws org.apache.commons.math.MathException

Specified by:

inverseCumulativeProbability in interface org.apache.commons.math.distribution.ContinuousDistribution

Overrides:

inverseCumulativeProbability in class org.apache.commons.math.distribution.NormalDistributionImpl

Throws:

org.apache.commons.math.MathException

getInitialDomain

protected double getInitialDomain(double p)

Overrides:

getInitialDomain in class org.apache.commons.math.distribution.NormalDistributionImpl

getDomainLowerBound

protected double getDomainLowerBound(double p)

Overrides:

getDomainLowerBound in class org.apache.commons.math.distribution.NormalDistributionImpl

getDomainUpperBound

protected double getDomainUpperBound(double p)

Overrides:

getDomainUpperBound in class org.apache.commons.math.distribution.NormalDistributionImpl