case class Random3(stream: Int = 0) extends RNG with Product with Serializable
The Random3 class generates random real numbers in the range (0, 1).
It implements, using 64-bit integers (Int's), the 'MINSTD' generator, which
is a multiplicative Linear Congruential Generator (LCG).
These generators were commonly used in the last century.
x_i = a x_i-1 % m
- stream
the random number stream index
- See also
http://random.mat.sbg.ac.at/results/karl/server/node4.html#SECTION00042000000000000000 In case a better generator is needed, a Multiple Recursive Generator (MRG) or Composite Multiple Recursive Generator (CMRG) should be used.
Randomhttp://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.34.1024
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- new Random3(stream: Int = 0)
- stream
the random number stream index
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- def gen: Double
Return the next random number as a
Doublein the interval (0, 1). - final def getClass(): Class[_ <: AnyRef]
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- def getM: Double
Return the modulus used by this random number generator.
- def igen: Int
Return the next stream value as a
Intin the set {1, 2, ... - final def isInstanceOf[T0]: Boolean
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- val mean: Double
Return the theoretical mean for the random number generator's 'gen' method.
Return the theoretical mean for the random number generator's 'gen' method.
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- def pf(z: Double): Double
Compute the probability function (pf), i.e., the probability density function (pdf).
Compute the probability function (pf), i.e., the probability density function (pdf).
- z
the mass point whose probability density is sought
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