Espacios de nombres
Variantes
Acciones

std::student_t_distribution

De cppreference.com
< cpp‎ | numeric‎ | random
 
 
 
Generación de números pseudoaleatorios
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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student_t_distribution
(C++11)
Distribuciones de muestreo
Original:
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::student_t_distribution
Las funciones miembro
Original:
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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Terceros funciones
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Non-member functions
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Definido en el archivo de encabezado <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
Original:
Member type
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Definition
result_type RealType
param_type
el tipo del conjunto de parámetros, sin especificar
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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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(función miembro pública) [editar]
restablece el estado interno de la distribución
Original:
resets the internal state of the distribution
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(función miembro pública) [editar]
Generación
Original:
Generation
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genera el siguiente número aleatorio en la distribución
(función miembro pública) [editar]
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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(función miembro pública) [editar]
obtiene o establece el objeto de parámetro de distribución
Original:
gets or sets the distribution parameter object
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(función miembro pública) [editar]
devuelve el valor mínimo potencialmente generado
Original:
returns the minimum potentially generated value
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(función miembro pública) [editar]
devuelve el valor máximo potencialmente generado
Original:
returns the maximum potentially generated value
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(función miembro pública) [editar]

[editar] Terceros funciones

compara dos objetos de distribución
(función) [editar]
realiza flujo de entrada y salida en la distribución de números pseudo-aleatorios
(función) [editar]

[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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