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Diferenças entre edições de "cpp/numeric/random/piecewise constant distribution"

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===Tipos de membro===
 
===Tipos de membro===
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===Funções de membro===
 
===Funções de membro===
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{{dcl list template | cpp/numeric/random/distribution/dcl list constructor | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/constructor | piecewise_constant_distribution}}
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{{dcl list template | cpp/numeric/random/distribution/dcl list reset | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/reset | piecewise_constant_distribution}}
  
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{{dcl list template | cpp/numeric/random/distribution/dcl list operator() | piecewise_constant_distribution}}
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{{dcl list template | cpp/numeric/random/piecewise_constant_distribution/dcl list intervals}}
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{{| cpp/numeric/random/piecewise_constant_distribution/intervals}}
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{{dcl list template | cpp/numeric/random/piecewise_constant_distribution/dcl list densities}}
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{{| cpp/numeric/random/piecewise_constant_distribution/densities}}
  
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{{dcl list template | cpp/numeric/random/distribution/dcl list param | piecewise_constant_distribution}}
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{{dcl list template | cpp/numeric/random/distribution/dcl list min | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/min | piecewise_constant_distribution}}
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{{dcl list template | cpp/numeric/random/distribution/dcl list max | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/max | piecewise_constant_distribution}}
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===Não-membros funções===
 
===Não-membros funções===
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{{dcl list template | cpp/numeric/random/distribution/dcl list operator_cmp | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/operator_cmp | piecewise_constant_distribution}}
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{{dcl list template | cpp/numeric/random/distribution/dcl list operator_ltltgtgt | piecewise_constant_distribution}}
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{{| cpp/numeric/random/distribution/operator_ltltgtgt | piecewise_constant_distribution}}
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===Exemplo===
 
===Exemplo===

Edição actual desde as 10h12min de 2 de julho de 2013

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C++
 
Biblioteca numéricos
Funções matemáticas comuns
De ponto flutuante ambiente
Números complexos
Matrizes numéricas
Pseudo-aleatório de geração de números
Tempo de compilação aritmética racional (C++11)
Genéricos operações numéricas
Original:
Generic numeric operations
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(C++11)
 
Pseudo-aleatório de geração de números
Motores e adaptadores de motor
Original:
Engines and engine adaptors
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Geradores
Original:
Generators
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(C++11)
Distribuições
Original:
Distributions
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Distribuições uniformes
Original:
Uniform distributions
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(C++11)
(C++11)
(C++11)
Distribuições de Bernoulli
Original:
Bernoulli distributions
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(C++11)
(C++11)
(C++11)
(C++11)
Distribuições de Poisson
Original:
Poisson distributions
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Distribuições normais
Original:
Normal distributions
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(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
(C++11)
Distribuições de amostragem
Original:
Sampling distributions
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(C++11)
piecewise_constant_distribution
(C++11)
(C++11)
Seqüências de sementes
Original:
Seed Sequences
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(C++11)
C biblioteca
Original:
C library
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std::piecewise_constant_distribution
Funções de membro
Original:
Member functions
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piecewise_constant_distribution::piecewise_constant_distribution
piecewise_constant_distribution::reset
Geração
Original:
Generation
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piecewise_constant_distribution::operator()
Características
Original:
Characteristics
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piecewise_constant_distribution::intervals
piecewise_constant_distribution::densities
piecewise_constant_distribution::param
piecewise_constant_distribution::min
piecewise_constant_distribution::max
Não-membros funções
Original:
Non-member functions
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Definido no cabeçalho <random>
template< class RealType = double >
class piecewise_constant_distribution;
 (desde C++11)
std::piecewise_constant_distribution produz aleatórios números de ponto flutuante, que são uniformemente distribuídos dentro de cada um dos subintervalos [b
i, b
i+1) vários, cada um com seu próprio peso w
i. O conjunto de limites de intervalo e o conjunto de pesos são os parâmetros desta distribuição.
Original:
std::piecewise_constant_distribution produces random floating-point numbers, which are uniformly distributed within each of the several subintervals [b
i, b
i+1), each with its own weight w
i. The set of interval boundaries and the set of weights are the parameters of this distribution.
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A densidade de probabilidade para qualquer b
i≤x<b
i+1 é None
w
k
S (b
i+1 - b
i)
. onde S é a soma de todos os pesos.
Original:
The probability density for any b
i≤x<b
i+1 is None
w
k
S (b
i+1 - b
i)
. where S is the sum of all weights.
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Índice

[editar] Tipos de membro

Tipo de membro
Original:
Member type
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 Definition
result_type RealType
param_type
o tipo do conjunto de parâmetros, não especificado
Original:
the type of the parameter set, unspecified
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[editar] Funções de membro
constrói nova distribuição
Original:
constructs new distribution
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(função pública membro) [edit]
redefine o estado interno da distribuição
Original:
resets the internal state of the distribution
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(função pública membro) [edit]
Geração
Original:
Generation
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gera o próximo número aleatório na distribuição
Original:
generates the next random number in the distribution
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(função pública membro) [edit]
Características
Original:
Characteristics
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obtém a lista de limites de intervalo
Original:
obtains the list of interval boundaries
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(função pública membro) [edit]
obtém a lista de densidades de probabilidade
Original:
obtains the list of probability densities
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(função pública membro) [edit]
obtém ou define o objeto de parâmetro de distribuição
Original:
gets or sets the distribution parameter object
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(função pública membro) [edit]
retorna o valor mínimo potencialmente gerado
Original:
returns the minimum potentially generated value
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(função pública membro) [edit]
retorna o valor máximo potencialmente gerado
Original:
returns the maximum potentially generated value
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(função pública membro) [edit]

[editar] Não-membros funções
compara dois objetos de distribuição
Original:
compares two distribution objects
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(função) [edit]
executa fluxo de entrada e saída em pseudo-aleatório distribuição de números
Original:
performs stream input and output on pseudo-random number distribution
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(função) [edit]

[editar] Exemplo

#include <iostream>
#include <string>
#include <map>
#include <random>
 
int main()
{
    std::random_device rd;
    std::mt19937 gen(rd());
    // 50% of the time, generate a random number between 0 and 1
    // 50% of the time, generate a random number between 10 and 15
    std::vector<double> i{0,  1, 10, 15};
    std::vector<double> w{  1,  0,  1};
    std::piecewise_constant_distribution<> d(i.begin(), i.end(), w.begin());
 
    std::map<int, int> hist;
    for(int n=0; n<10000; ++n) {
        ++hist[d(gen)];
    }
    for(auto p : hist) {
        std::cout << p.first << ' ' << std::string(p.second/100, '*') << '\n';
    }
}

Saída: 

0 **************************************************
10 **********
11 *********
12 *********
13 **********
14 *********
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