Class Geometric

java.lang.Object

org.ojalgo.random.RandomNumber

org.ojalgo.random.AbstractDiscrete

org.ojalgo.random.Geometric

All Implemented Interfaces:

Comparable<RandomNumber>, DoubleSupplier, Supplier<Double>, BasicFunction, NullaryFunction<Double>, PrimitiveFunction.Nullary, DiscreteDistribution, Distribution, AccessScalar<Double>, ComparableNumber<RandomNumber>, NumberDefinition

public class Geometric
extends AbstractDiscrete

The number of required trials until an event with probability aProbability occurs has a geometric distribution.

Nested Class Summary

Nested classes/interfaces inherited from interface BasicFunction

BasicFunction.Differentiable<N,F>, BasicFunction.Integratable<N,F>, BasicFunction.PlainUnary<T,R>

Field Summary

Fields

Modifier and Type	Field	Description
private final double	myProbability

Constructor Summary

Constructors

Constructor	Description
Geometric()
Geometric(double probability)

Method Summary

Modifier and Type	Method	Description
protected double	generate()
double	getExpected()
double	getProbability(int value)	Probability density function
double	getVariance()	Subclasses must override either getStandardDeviation() or getVariance()!
static Geometric	of(double probability)

Methods inherited from class RandomNumber

checkProbabilty, compareTo, doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, newSampleSet, random, setRandom, setSeed, toString

Methods inherited from class Object

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

Methods inherited from interface Distribution

getStandardDeviation

Methods inherited from interface NullaryFunction

andThen, get, getAsDouble

Methods inherited from interface NumberDefinition

booleanValue, byteValue, shortValue

Field Details

myProbability

private final double myProbability

Constructor Details

Geometric

public Geometric()

Geometric

public Geometric(double probability)

Method Details

of

public static Geometric of(double probability)

getExpected

public double getExpected()

getProbability

public double getProbability(int value)

Description copied from interface: DiscreteDistribution

Probability density function

getVariance

public double getVariance()

Description copied from class: RandomNumber

Subclasses must override either getStandardDeviation() or getVariance()!

Specified by:

getVariance in interface Distribution

Overrides:

getVariance in class RandomNumber

See Also:

• Distribution.getStandardDeviation()
• Distribution.getVariance()

generate

protected double generate()

Specified by:

generate in class RandomNumber