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java.lang.Objectcern.colt.PersistentObject
cern.jet.random.AbstractDistribution
cern.jet.random.AbstractContinousDistribution
cern.jet.random.Hyperbolic
Hyperbolic distribution.
Valid parameter ranges: alpha > 0 and beta > 0.
Instance methods operate on a user supplied uniform random number generator; they are unsynchronized.
Implementation:
L. Devroye (1986): Non-Uniform Random Variate Generation, Springer Verlag, New York.
Field Summary | |
protected double |
a_setup
|
protected double |
alpha
|
protected double |
b_setup
|
protected double |
beta
|
protected double |
e
|
protected double |
hl
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protected double |
hr
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protected double |
mmb_1
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protected double |
mpa_1
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protected double |
pm
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protected double |
pmr
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protected double |
pr
|
protected double |
s
|
protected double |
samb
|
protected static Hyperbolic |
shared
|
protected double |
u
|
protected double |
v
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protected double |
x
|
Fields inherited from class cern.jet.random.AbstractDistribution |
randomGenerator |
Fields inherited from class cern.colt.PersistentObject |
serialVersionUID |
Constructor Summary | |
Hyperbolic(double alpha,
double beta,
RandomEngine randomGenerator)
Constructs a Beta distribution. |
Method Summary | |
double |
nextDouble()
Returns a random number from the distribution. |
double |
nextDouble(double alpha,
double beta)
Returns a hyperbolic distributed random number; bypasses the internal state. |
void |
setState(double alpha,
double beta)
Sets the parameters. |
static double |
staticNextDouble(double alpha,
double beta)
Returns a random number from the distribution. |
String |
toString()
Returns a String representation of the receiver. |
Methods inherited from class cern.jet.random.AbstractDistribution |
apply, apply, clone, getRandomGenerator, makeDefaultGenerator, nextInt, setRandomGenerator |
Methods inherited from class java.lang.Object |
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected double alpha
protected double beta
protected double a_setup
protected double b_setup
protected double x
protected double u
protected double v
protected double e
protected double hr
protected double hl
protected double s
protected double pm
protected double pr
protected double samb
protected double pmr
protected double mpa_1
protected double mmb_1
protected static Hyperbolic shared
Constructor Detail |
public Hyperbolic(double alpha, double beta, RandomEngine randomGenerator)
Method Detail |
public double nextDouble()
nextDouble
in class AbstractDistribution
public double nextDouble(double alpha, double beta)
public void setState(double alpha, double beta)
public static double staticNextDouble(double alpha, double beta)
public String toString()
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