Espaços nominais
Variantes
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std::student_t_distribution

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< cpp‎ | numeric‎ | random

 
 
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
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Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Pseudo-aleatório de geração de números
Motores e adaptadores de motor
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Engines and engine adaptors
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linear_congruential_engine(C++11)
mersenne_twister_engine(C++11)
subtract_with_carry_engine(C++11)
discard_block_engine(C++11)
independent_bits_engine(C++11)
shuffle_order_engine(C++11)
Geradores
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Generators
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random_device(C++11)
Distribuições
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Distributions
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Distribuições uniformes
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Uniform distributions
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uniform_int_distribution(C++11)
uniform_real_distribution(C++11)
generate_canonical(C++11)
Distribuições de Bernoulli
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Bernoulli distributions
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bernoulli_distribution(C++11)
binomial_distribution(C++11)
negative_binomial_distribution(C++11)
geometric_distribution(C++11)
Distribuições de Poisson
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Poisson distributions
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poisson_distribution(C++11)
exponential_distribution(C++11)
gamma_distribution(C++11)
weibull_distribution(C++11)
extreme_value_distribution(C++11)
Distribuições normais
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Normal distributions
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normal_distribution(C++11)
lognormal_distribution(C++11)
chi_squared_distribution(C++11)
cauchy_distribution(C++11)
fisher_f_distribution(C++11)
student_t_distribution(C++11)
Distribuições de amostragem
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Sampling distributions
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discrete_distribution(C++11)
piecewise_constant_distribution(C++11)
piecewise_linear_distribution(C++11)
Seqüências de sementes
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Seed Sequences
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seed_seq(C++11)
C biblioteca
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C library
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rand
srand
RAND_MAX
 
std::student_t_distribution
Funções de membro
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Member functions
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student_t_distribution::student_t_distribution
student_t_distribution::reset
Geração
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Generation
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student_t_distribution::operator()
Características
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Characteristics
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student_t_distribution::n
student_t_distribution::param
student_t_distribution::min
student_t_distribution::max
Não-membros funções
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Non-member functions
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operator==
operator!=
operator<<
operator>>
 
Defined in header <random>
template< class RealType = double >
class student_t_distribution;
(a partir do C++ 11)
Aleatórios produz valores de ponto flutuante x, distribuídos de acordo com a função densidade de probabilidade:
Original:
Produces random floating-point values x, distributed according to probability density function:
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P(x|n) =
1
·
Γ(
n+1
2
)
Γ(
n
2
)
·

1+
x2
n


-
n+1
2

onde n é conhecido como o número de graus de' liberdade. Esta distribuição é utilizada para a estimativa do significa de um valor desconhecido distribuídos normalmente dada n+1 medições independentes, cada um com erros de aditivos de desvio padrão desconhecido, como em medições físicas. Ou, alternativamente, ao estimar a média desconhecida de uma distribuição normal com desvio padrão desconhecido, as amostras dadas n+1.
Original:
where n is known as the number of degrees of freedom. This distribution is used when estimating the mean of an unknown normally distributed value given n+1 independent measurements, each with additive errors of unknown standard deviation, as in physical measurements. Or, alternatively, when estimating the unknown mean of a normal distribution with unknown standard deviation, given n+1 samples.
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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
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Characteristics
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retorna o parâmetro de distribuição n (graus de liberdade)
Original:
returns the n distribution parameter (degrees of freedom)
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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

[editar] Links externos

Weisstein, Eric W. "Student's t-Distribution." De MathWorld - Um recurso Web Wolfram.
Original:
Weisstein, Eric W. "Student's t-Distribution." From MathWorld--A Wolfram Web Resource.
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