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std::atan2<div class="t-tr-text">(Std :: valarray)<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">(std::valarray)</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div>

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< cpp‎ | numeric‎ | valarray

 
 
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
 
 
Defined in header <valarray>
template< class T >
valarray<T> atan2( const valarray<T>& y, const valarray<T>& x );
(1)
template< class T >
valarray<T> atan2( const valarray<T>& y, const T& vx );
(2)
template< class T >
valarray<T> atan2( const T& vy, const valarray<T>& x );
(3)
Calcula la tangente inversa de y/x utilizando los signos de argumentos para determinar correctamente cuadrante .
Original:
Computes the inverse tangent of y/x using the signs of arguments to correctly determine quadrant.
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1)
Calcula la tangente inversa de cada par de valores correspondientes de y y x .
Original:
Computes the inverse tangent of each pair of corresponding values from y and x.
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El comportamiento no está definido si x.size() != y.size() .
Original:
The behavior is undefined if x.size() != y.size().
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2)
Calcula la tangente inversa de vx y cada valor de la matriz numérica y .
Original:
Computes the inverse tangent of vx and each value in the numeric array y.
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3)
Calcula la tangente inversa de vy y cada valor de la matriz numérica x .
Original:
Computes the inverse tangent of vy and each value in the numeric array x.
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Contenido

[editar] Parámetros

x, y -
matrices numéricas para calcular tangente inversa
Original:
numeric arrays to compute inverse tangent of
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vy, vx -
para calcular los valores de tangente inversa
Original:
values to compute inverse tangent of
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[editar] Valor de retorno

Una matriz numérica que contiene los resultados de cálculo de la tangente inversa .
Original:
A numeric array containing the results of computation of inverse tangent.
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[editar] Notas

Función Cualificado (atan2) se utiliza para realizar el cálculo. Si tal función no está disponible, std::atan2 se utiliza debido a búsqueda argumento dependiente .
Original:
Unqualified function (atan2) is used to perform the computation. If such function is not available, std::atan2 is used due to argument dependent lookup.
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La función se puede implementar con el tipo de retorno diferente de std::valarray. En este caso, el tipo de reemplazo tiene las siguientes propiedades:
Original:
The function can be implemented with the return type different from std::valarray. In this case, the replacement type has the following properties:
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  • Todas las funciones miembro de const std::valarray se proporcionan .
    Original:
    All const member functions of std::valarray are provided.
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  • std::valarray, std::slice_array, std::gslice_array, std::mask_array std::indirect_array y puede ser construida a partir del tipo de reemplazo .
    Original:
    std::valarray, std::slice_array, std::gslice_array, std::mask_array and std::indirect_array can be constructed from the replacement type.
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  • Todas las funciones que aceptan un argumento de tipo const std::valarray& también deben aceptar el tipo de reemplazo .
    Original:
    All functions accepting a arguments of type const std::valarray& should also accept the replacement type.
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  • Todas las funciones que aceptan dos argumentos de tipo const std::valarray& debe aceptar todas las combinaciones de const std::valarray& y el tipo de reemplazo .
    Original:
    All functions accepting two arguments of type const std::valarray& should accept every combination of const std::valarray& and the replacement type.
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[editar] Ejemplo

[editar] Ver también

arco tangente, usando signos para determinar cuadrantes
Original:
arc tangent, using signs to determine quadrants
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(función) [edit]