SSJ
3.3.1
Stochastic Simulation in Java
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This class implements random variate generators for the power distribution with shape parameter \(c > 0\), over the interval \([a,b]\). More...
Public Member Functions | |
PowerGen (RandomStream s, double a, double b, double c) | |
Creates a Power random variate generator with parameters \(a =\) a , \(b =\) b and \(c =\) c , using stream s . | |
PowerGen (RandomStream s, double c) | |
Creates a Power random variate generator with parameters \(a =0\), \(b =1\) and \(c =\) c , using stream s . | |
PowerGen (RandomStream s, PowerDist dist) | |
Creates a new generator for the power distribution dist and stream s . | |
double | getA () |
Returns the parameter \(a\). | |
double | getB () |
Returns the parameter \(b\). | |
double | getC () |
Returns the parameter \(c\). | |
void | setParams (double a, double b, double c) |
Sets the parameters \(a\), \(b\) and \(c\) for this object. | |
Public Member Functions inherited from RandomVariateGen | |
RandomVariateGen (RandomStream s, Distribution dist) | |
Creates a new random variate generator from the distribution dist , using stream s . More... | |
double | nextDouble () |
Generates a random number from the continuous distribution contained in this object. More... | |
void | nextArrayOfDouble (double[] v, int start, int n) |
Generates n random numbers from the continuous distribution contained in this object. More... | |
double [] | nextArrayOfDouble (int n) |
Generates n random numbers from the continuous distribution contained in this object, and returns them in a new array of size n . More... | |
RandomStream | getStream () |
Returns the umontreal.ssj.rng.RandomStream used by this generator. More... | |
void | setStream (RandomStream stream) |
Sets the umontreal.ssj.rng.RandomStream used by this generator to stream . | |
Distribution | getDistribution () |
Returns the umontreal.ssj.probdist.Distribution used by this generator. More... | |
String | toString () |
Returns a String containing information about the current generator. | |
Static Public Member Functions | |
static double | nextDouble (RandomStream s, double a, double b, double c) |
Uses inversion to generate a new variate from the power distribution with parameters \(a = \) a , \(b = \) b , and \(c = \) c , using stream s . | |
Additional Inherited Members | |
Protected Attributes inherited from RandomVariateGen | |
RandomStream | stream |
Distribution | dist |
This class implements random variate generators for the power distribution with shape parameter \(c > 0\), over the interval \([a,b]\).
\[ f(x) = \frac{c(x-a)^{c - 1}}{(b - a)^c}, \tag{fpower} \]
for \(a \le x \le b\), and 0 elsewhere.