(Std :: complex)<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 :: complex)<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 :: complex)<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++
     
    Numerik-Bibliothek
    Gemeinsame mathematischen Funktionen
    Floating-Point-Umgebung
    Komplexe Zahlen
    Numerische Arrays
    Pseudo-Zufallszahlen
    Compile-time rationale Arithmetik (C++11)
    Generische numerische Operationen
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    Generic numeric operations
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    iota(C++11)
    accumulate
    inner_product
    adjacent_difference
    partial_sum
     
    Komplexe Zahlen
    Member-Funktionen
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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/=
    Non-Member-Funktionen
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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
    Exponentialfunktionen
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    Exponential functions
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    exp
    log
    log10
    Power-Funktionen
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    Power functions
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    pow
    sqrt
    Trigonometrische Funktionen
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    Trigonometric functions
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    asin(C++11)
    acos(C++11)
    atan(C++11)
    Hyperbolische Funktionen
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    Hyperbolic functions
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    asinh(C++11)
    acosh(C++11)
    atanh(C++11)
     
    <tbody> </tbody>
    definiert in Header <complex>
    template< class T > complex<T> sqrt( const complex<T>& x );
    Berechnet die Quadratwurzel der komplexen Zahl x .
    Original:
    Computes the square root of the complex number x.
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    Die Branche Schnitte entlang der negativen reellen Achse. sqrt berechnet die Quadratwurzel im Bereich des rechten Halbebene. Wenn x eine negative reelle Zahl ist, wird der Rückgabewert auf der positiven imaginären Achse liegen .
    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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    Parameter

    x -
    komplexe Zahl die Quadratwurzel zu nehmen
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    complex number to take the square root of
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    Rückgabewert

    die Quadratwurzel von x .
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    the square root of x.
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    Siehe auch
    komplexe Leistung, eine oder beide Argumente kann eine komplexe Zahl sein
    Original:
    complex power, one or both arguments may be a complex number
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    (Funktions-Template) [edit]