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java.lang.Objectsim.util.distribution.AbstractDistribution
sim.util.distribution.AbstractContinousDistribution
sim.util.distribution.VonMises
public class VonMises
Von Mises distribution.
Valid parameter ranges: k > 0.
Instance methods operate on a user supplied uniform random number generator; they are unsynchronized.
Implementation:
D.J. Best, N.I. Fisher (1979): Efficient simulation of the von Mises distribution, Appl. Statist. 28, 152-157.
Field Summary | |
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protected double |
my_k
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Fields inherited from class sim.util.distribution.AbstractDistribution |
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randomGenerator |
Constructor Summary | |
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VonMises(double freedom,
MersenneTwisterFast randomGenerator)
Constructs a Von Mises distribution. |
Method Summary | |
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double |
nextDouble()
Returns a random number from the distribution. |
double |
nextDouble(double k)
Returns a random number from the distribution; bypasses the internal state. |
void |
setState(double k)
Sets the distribution parameter. |
java.lang.String |
toString()
Returns a String representation of the receiver. |
Methods inherited from class sim.util.distribution.AbstractDistribution |
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apply, apply, getRandomGenerator, nextInt, setRandomGenerator |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected double my_k
Constructor Detail |
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public VonMises(double freedom, MersenneTwisterFast randomGenerator)
java.lang.IllegalArgumentException
- if k <= 0.0.Method Detail |
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public double nextDouble()
nextDouble
in class AbstractDistribution
public double nextDouble(double k)
java.lang.IllegalArgumentException
- if k <= 0.0.public void setState(double k)
java.lang.IllegalArgumentException
- if k <= 0.0.public java.lang.String toString()
toString
in class java.lang.Object
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