(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> - cppreference.com" /> 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> - cppreference.com
Espaços nominais
Variantes
Acções

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>

Da cppreference.com
< cpp‎ | numeric‎ | complex

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C++
 
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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(C++11)
 
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
Original:
Non-member functions
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(C++11)
Funções exponenciais
Original:
Exponential functions
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Funções de poder
Original:
Power functions
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sqrt
Funções trigonométricas
Original:
Trigonometric functions
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(C++11)
(C++11)
(C++11)
Funções hiperbólicas
Original:
Hyperbolic functions
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(C++11)
(C++11)
(C++11)
 
Definido no cabeçalho <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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