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std::weibull_distribution - cppreference.com
std::weibull_distribution
template< class RealType = double >
class weibull_distribution;
(since C++11)
The weibull_distribution meets the requirements of a RandomNumberDistribution and produces random numbers according to the Weibull distribution:
-
\(\small{f(x;a,b)=\frac{a}{b}{(\frac{x}{b})}^{a-1}\exp{(-{(\frac{x}{b})}^{a})} }\)f(x;a,b) = â
â
ââ
â
â a-1
expâ
â
â-â
â
ââ
â
â a
â
â
â
a is the shape parameter and b the scale parameter.
std::weibull_distribution satisfies RandomNumberDistribution.
[edit] Template parameters RealType - The result type generated by the generator. The effect is undefined if this is not one of float, double, or long double. [edit] Member types Member type Definition result_type (C++11) RealType param_type (C++11) the type of the parameter set, see RandomNumberDistribution. [edit] Member functions constructs new distribution
(public member function) [edit] resets the internal state of the distribution
(public member function) [edit] Generation generates the next random number in the distribution
(public member function) [edit] Characteristics returns the distribution parameters
(public member function) [edit] gets or sets the distribution parameter object
(public member function) [edit] returns the minimum potentially generated value
(public member function) [edit] returns the maximum potentially generated value
(public member function) [edit] [edit] Non-member functions [edit] Example
Possible output:
0 *******************
1 *******************
2 ******
3 **
4
5
6
7
8
[edit] External links
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