Varianti

    std::arg<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>

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    <metanoindex/>

     
    C++
     
    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
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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
    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
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    Hyperbolic functions
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    asinh(C++11)
    acosh(C++11)
    atanh(C++11)
     
    <tbody> </tbody>
    Elemento definito nell'header <complex>
    template< class T > T arg( const complex<T>& z );
    Restituisce l'angolo di fase del numero complesso z, vale a dire atan2(std::imag(z), std::real(z)).
    Original:
    Returns the phase angle of the complex number z, i.e. atan2(std::imag(z), std::real(z)).
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    Parametri

    z -
    valore complesso
    Original:
    complex value
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    Valore di ritorno

    l'angolo di fase di z
    Original:
    the phase angle of z
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    Vedi anche
    restituisce la grandezza quadrato
    Original:
    returns the squared magnitude
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    (funzione di modello) [modifica]
    restituisce il complesso coniugato
    Original:
    returns the complex conjugate
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    (funzione di modello) [modifica]
    costruisce un numero complesso di ampiezza e di fase
    Original:
    constructs a complex number from magnitude and phase angle
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    (funzione di modello) [modifica]