# 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>

< cpp‎ | numeric‎ | complex

C++
 Sprache Concepts Utilities-Bibliothek Strings Bibliothek Container-Bibliothek Algorithmen-Bibliothek Iteratoren Bibliothek Numerik-Bibliothek Input / Output-Bibliothek Lokalisierungen Bibliothek Reguläre Ausdrücke Bibliothek (C++11) Atomare Operationen Bibliothek (C++11) Thread Support-Bibliothek (C++11)

Numerik-Bibliothek
Gemeinsame mathematischen Funktionen
Floating-Point-Umgebung
Komplexe Zahlen
Numerische Arrays
Pseudo-Zufallszahlen
Compile-time rationale Arithmetik (C++11)
Generische numerische Operationen
Original:
Generic numeric operations
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 iota (C++11)
 accumulate
 inner_product
 partial_sum

Komplexe Zahlen
Member-Funktionen
Original:
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
Original:
Non-member functions
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 operator==operator!=
 operator<>
 real
 imag
 abs
 arg
 norm
 conj
 proj (C++11)
 polar
Exponentialfunktionen
Original:
Exponential functions
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 exp
 log
 log10
Power-Funktionen
Original:
Power functions
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 pow
 sqrt
Trigonometrische Funktionen
Original:
Trigonometric functions
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 sin
 cos
 tan
 asin (C++11)
 acos (C++11)
 atan (C++11)
Hyperbolische Funktionen
Original:
Hyperbolic functions
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 sinh
 cosh
 tanh
 asinh (C++11)
 acosh (C++11)
 atanh (C++11)

 Defined in header template< class T > complex sqrt( const complex& 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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### [Bearbeiten]Parameter

 x - komplexe Zahl die Quadratwurzel zu nehmenOriginal: complex number to take the square root ofThe text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

### [Bearbeiten]Rückgabewert

die Quadratwurzel von `x` .
Original:
the square root of `x`.
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### [Bearbeiten]Siehe auch

 pow(std::complex) komplexe Leistung, eine oder beide Argumente kann eine komplexe Zahl sein Original: complex power, one or both arguments may be a complex number The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Funktions-Template)