This class allows you to return a random number picked from a gamma distribution with parameters specified in the constructor. More...
#include <gammadistribution.h>
Inheritance diagram for GammaDistribution:
Collaboration diagram for GammaDistribution:
Public Member Functions | |
| GammaDistribution (double a, double b, GslRandomNumberGenerator *pRng) | |
| The constructor specifies parameters for a gamma distribution. More... | |
| double | pickNumber () const |
| Pick a number according to a specific distrubution, specified in a subclass of ProbabilityDistribution . More... | |
Detailed Description
This class allows you to return a random number picked from a gamma distribution with parameters specified in the constructor.
The probability density is the following:
![\[ \textrm{prob}(x) = \frac{ x^{a-1} \exp\left(-\frac{x}{b} \right) } {b^a \Gamma(a) } \]](form_20.png)
Constructor & Destructor Documentation
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inline |
The constructor specifies parameters for a gamma distribution.
Member Function Documentation
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inlinevirtual |
Pick a number according to a specific distrubution, specified in a subclass of ProbabilityDistribution .
Implements ProbabilityDistribution.
The documentation for this class was generated from the following file:
- src/lib/util/gammadistribution.h
