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std::discrete_distribution::probabilities

De cppreference.com
 
 
Numéricos biblioteca
Funciones matemáticas comunes
Floating-point medio ambiente
Los números complejos
Matrices numéricas
Pseudo-aleatoria de generación de números
En tiempo de compilación aritmética racional (C++11)
Genéricos operaciones numéricas
Original:
Generic numeric operations
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(C++11)
 
Pseudo-aleatoria de generación de números
Motores y adaptadores de motor
Original:
Engines and engine adaptors
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Generadores
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Generators
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Distribuciones
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Distributions
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Distribuciones uniformes
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Uniform distributions
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Bernoulli distribuciones
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Bernoulli distributions
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Poisson distribuciones
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Poisson distributions
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Distribuciones normales
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Normal distributions
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Distribuciones de muestreo
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Sampling distributions
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Secuencias de semillas
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Seed Sequences
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(C++11)
C biblioteca
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C library
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std::discrete_distribution
Las funciones miembro
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Member functions
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Generación
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Generation
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Características
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Characteristics
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discrete_distribution::probabilities
Terceros funciones
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Non-member functions
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std::vector<double> probabilities() const;
(desde C++11)
Obtiene un std::vector<double> que contiene las probabilidades individuales de cada número entero que se generan por esta distribución .
Original:
Obtains a std::vector<double> containing the individual probabilities of each integer that is generated by this distribution.
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[editar] Parámetros

(Ninguno)
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(none)
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[editar] Valor de retorno

Un objeto de std::vector<double> tipo
Original:
An object of type std::vector<double>
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[editar] Ejemplo

#include <iostream>
#include <vector>
#include <random>
int main()
{
    std::discrete_distribution<> d({40, 10, 10, 40});
    std::vector<double> p = d.probabilities();
    for(auto n : p)
        std::cout << n << ' ';
    std::cout << '\n';
}

Salida:

0.4 0.1 0.1 0.4