Espaços nominais
Variantes
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std::sqrt<div class="t-tr-text">(Std :: complexo)<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::complex)</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 | complex

 
 
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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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
Números complexos
Funções de membro
Original:
Member functions
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complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+=
complex::operator-=
complex::operator*=
complex::operator/=
Não-membros funções
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Non-member functions
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operator==
operator!=
operator<<
operator>>
real
imag
abs
arg
norm
conj
proj(C++11)
polar
Funções exponenciais
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Exponential functions
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exp
log
log10
Funções de poder
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Power functions
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pow
sqrt
Funções trigonométricas
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Trigonometric functions
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asin(C++11)
acos(C++11)
atan(C++11)
Funções hiperbólicas
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Hyperbolic functions
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asinh(C++11)
acosh(C++11)
atanh(C++11)
 
Defined in header <complex>
template< class T >
complex<T> sqrt( const complex<T>& x );
Calcula a raiz quadrada do número complexo x.
Original:
Computes the square root of the complex number x.
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Os cortes são filiais ao longo do eixo real negativo. sqrt calcula a raiz quadrada do intervalo do semi-plano direito. Se x é um número real negativo, o valor de retorno vai mentir sobre o eixo imaginário positivo.
Original:
The branch cuts are along the negative real axis. sqrt computes the square root in the range of the right half-plane. If x is a negative real number, the return value will lie on the positive imaginary axis.
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[editar] Parâmetros

x -
número complexo de extrair a raiz quadrada do
Original:
complex number to take the square root of
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[editar] Valor de retorno

a raiz quadrada de x.
Original:
the square root of x.
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[editar] Veja também

potência complexa, um ou ambos os argumentos pode ser um número complexo
Original:
complex power, one or both arguments may be a complex number
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(modelo de função) [edit]