(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 :: 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">
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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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      <metanoindex/>

       
      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
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      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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      (C++11)
      Funções exponenciais
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      Exponential functions
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      Funções de poder
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      Power functions
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      Funções trigonométricas
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      Trigonometric functions
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      (C++11)
      (C++11)
      (C++11)
      Funções hiperbólicas
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      Hyperbolic functions
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      (C++11)
      (C++11)
      (C++11)
       
      <tbody> </tbody>
      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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      Parâmetros

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

      a raiz quadrada de x.
      Original:
      the square root of x.
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      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]