Espacios de nombres
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std::student_t_distribution

De cppreference.com
< cpp‎ | numeric‎ | random

 
 
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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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Pseudo-aleatoria de generación de números
Motores y 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)
Generadores
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Generators
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random_device(C++11)
Distribuciones
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Distributions
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Distribuciones 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)
Bernoulli distribuciones
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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)
Poisson distribuciones
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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)
Distribuciones normales
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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)
Distribuciones de muestreo
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Sampling distributions
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discrete_distribution(C++11)
piecewise_constant_distribution(C++11)
piecewise_linear_distribution(C++11)
Secuencias de semillas
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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
Las funciones miembro
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Member functions
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student_t_distribution::student_t_distribution
student_t_distribution::reset
Generación
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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
Terceros funciones
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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;
(desde C++11)
Produce al azar valores de punto flotante x, distribuidos de acuerdo con función de densidad de probabilidad:
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

donde n se conoce como el número de grados' de libertad. Esta distribución se utiliza en la estimación del significa de un valor desconocido distribuido normalmente dado n+1 mediciones independientes, cada uno con errores aditivos de desviación estándar desconocida, como en mediciones físicas. O, alternativamente, al calcular la media desconocida de una distribución normal con desviación estándar desconocida, dado muestras 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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Contenido

[editar] Tipos de miembros

Miembro de tipo
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Member type
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Definition
result_type RealType
param_type
el tipo del conjunto de parámetros, sin especificar
Original:
the type of the parameter set, unspecified
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[editar] Las funciones miembro

construye nueva distribución
Original:
constructs new distribution
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(miembro público función) [edit]
restablece el estado interno de la distribución
Original:
resets the internal state of the distribution
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(miembro público función) [edit]
Generación
Original:
Generation
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genera el siguiente número aleatorio en la distribución
Original:
generates the next random number in the distribution
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(miembro público función) [edit]
Características
Original:
Characteristics
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n devuelve el parámetro de distribución (grados de libertad)
Original:
returns the n distribution parameter (degrees of freedom)
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(miembro público función) [edit]
obtiene o establece el objeto de parámetro de distribución
Original:
gets or sets the distribution parameter object
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(miembro público función) [edit]
devuelve el valor mínimo potencialmente generado
Original:
returns the minimum potentially generated value
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(miembro público función) [edit]
devuelve el valor máximo potencialmente generado
Original:
returns the maximum potentially generated value
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(miembro público función) [edit]

[editar] Terceros funciones

compara dos objetos de distribución
Original:
compares two distribution objects
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(función) [edit]
realiza flujo de entrada y salida en la distribución de números pseudo-aleatorios
Original:
performs stream input and output on pseudo-random number distribution
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(función) [edit]

[editar] Ejemplo

[editar] Enlaces externos

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