**'cern.jet.random.Beta'**Java class

cern.jet.random

## Class Beta

- All Implemented Interfaces:
- DoubleFunction, IntFunction, Serializable, Cloneable

public class Betaextends AbstractContinousDistribution

Beta distribution; math definition and animated definition.`p(x) = k * x^(alpha-1) * (1-x)^(beta-1)`with`k = g(alpha+beta)/(g(alpha)*g(beta))`and`g(a)`being the gamma function.Valid parameter ranges:

`alpha > 0`and`beta > 0`.Instance methods operate on a user supplied uniform random number generator; they are unsynchronized.

- Static methods operate on a default uniform random number generator; they are synchronized.
**Implementation:**- Method: Stratified Rejection/Patchwork Rejection. High performance implementation.
- This is a port of
`bsprc.c`from the C-RAND / WIN-RAND library. C-RAND's implementation, in turn, is based uponH. Sakasegawa (1983): Stratified rejection and squeeze method for generating beta random numbers, Ann. Inst. Statist. Math. 35 B, 291-302.

and

Stadlober E., H. Zechner (1993), Generating beta variates via patchwork rejection,, Computing 50, 1-18.

- See Also:
- Serialized Form

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