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std::sqrt<div class="t-tr-text">(STD :: комплекса)<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>

Материал из cppreference.com

 
 
 
Комплексные числа
Член функций
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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/=
Не являющиеся членами функций
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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
Экспоненциальной функции
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Exponential functions
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exp
log
log10
Мощность функций
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Power functions
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pow
sqrt
Тригонометрические функции
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Trigonometric functions
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asin(C++11)
acos(C++11)
atan(C++11)
Гиперболические функции
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Hyperbolic functions
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asinh(C++11)
acosh(C++11)
atanh(C++11)
 
Заголовочный файл <complex>
template< class T >
complex<T> sqrt( const complex<T>& x );
Вычисляет квадратный корень из комплекса x номер.
Original:
Computes the square root of the complex number x.
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Разрезов расположены вдоль отрицательной действительной оси. sqrt вычисляет квадратный корень в диапазоне от правой полуплоскости. Если x является отрицательным реальным числом, возвращаемым значением будет лежать на положительной мнимой оси.
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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[править] Параметры

x -
Комплексное число извлечь квадратный корень
Original:
complex number to take the square root of
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[править] Возвращаемое значение

Квадратный корень из x.
Original:
the square root of x.
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[править] См. также

энергетического комплекса, один или оба аргумента может быть комплексным числом
Original:
complex power, one or both arguments may be a complex number
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(шаблон функции) [edit]