Erlang

java.lang.Object
- org.ojalgo.random.RandomNumber
- - org.ojalgo.random.Erlang

All Implemented Interfaces:

java.lang.Comparable<RandomNumber>, java.util.function.DoubleSupplier, java.util.function.Supplier<java.lang.Double>, BasicFunction, NullaryFunction<java.lang.Double>, PrimitiveFunction.Nullary, Distribution, AccessScalar<java.lang.Double>, ComparableNumber<RandomNumber>, NumberDefinition
```
public class Erlang
extends RandomNumber
```
Distribution of the sum of aCount random variables with an exponential distribution with parameter aLambda.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.ojalgo.function.BasicFunction
  BasicFunction.Differentiable<N extends java.lang.Comparable<N>,F extends BasicFunction>, BasicFunction.Integratable<N extends java.lang.Comparable<N>,F extends BasicFunction>, BasicFunction.PlainUnary<T,R>

Field Summary

Fields
Modifier and Type Field Description

private int myCount

private double myRate

Constructor Summary

Constructors
Constructor Description

Erlang()

Erlang(int aCount, double aRate)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected double`	`generate()`
`double`	`getExpected()`
`double`	`getVariance()`	Subclasses must override either getStandardDeviation() or getVariance()!

Methods inherited from class org.ojalgo.random.RandomNumber
checkProbabilty, compareTo, doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, newSampleSet, random, setRandom, setSeed, toString

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.ojalgo.function.NullaryFunction
andThen, get, getAsDouble

Methods inherited from interface org.ojalgo.type.NumberDefinition
booleanValue, byteValue, shortValue

- Field Detail
  - myCount
```
private final int myCount
```
  - myRate
```
private final double myRate
```
- Constructor Detail
  - Erlang
```
public Erlang()
```
  - Erlang
```
public Erlang(int aCount,
              double aRate)
```
- Method Detail
  - getExpected
```
public double getExpected()
```
  - 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