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std::sqrt<div class="t-tr-text">(Std :: complesso)<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

 
 
Numeri libreria
Comuni funzioni matematiche
Virgola mobile ambiente
I numeri complessi
Array numerici
Pseudo-casuale generazione
In fase di compilazione aritmetica razionale (C++11)
Generici operazioni numeriche
Original:
Generic numeric operations
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iota(C++11)
accumulate
inner_product
adjacent_difference
partial_sum
 
I numeri complessi
Membri funzioni
Original:
Member functions
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complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+=
complex::operator-=
complex::operator*=
complex::operator/=
Non membri funzioni
Original:
Non-member functions
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operator==
operator!=
operator<<
operator>>
real
imag
abs
arg
norm
conj
proj(C++11)
polar
Funzioni esponenziali
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Exponential functions
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exp
log
log10
Funzioni di risparmio energia
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Power functions
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pow
sqrt
Funzioni trigonometriche
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Trigonometric functions
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asin(C++11)
acos(C++11)
atan(C++11)
Funzioni iperboliche
Original:
Hyperbolic functions
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asinh(C++11)
acosh(C++11)
atanh(C++11)
 
Defined in header <complex>
template< class T >
complex<T> sqrt( const complex<T>& x );
Calcola la radice quadrata del numero complesso x.
Original:
Computes the square root of the complex number x.
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I rami sono lungo l'asse reale negativo. sqrt calcola la radice quadrata nella gamma del semipiano destro. Se x è un numero reale negativo, il valore di ritorno si trovano sull'asse immaginario 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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[modifica] Parametri

x -
numero complesso di ottenere la radice quadrata di
Original:
complex number to take the square root of
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[modifica] Valore di ritorno

la radice quadrata di x.
Original:
the square root of x.
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[modifica] Vedi anche

potenza complessa, uno o entrambi gli argomenti può essere un numero complesso
Original:
complex power, one or both arguments may be a complex number
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(funzione di modello) [edit]