std::log<div class="t-tr-text">（STD ::复杂）<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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Numerics的图书馆

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通用的数值运算 Original: Generic numeric operations The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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复数

成员函数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
complex::complex
complex::operator=
complex::real
complex::imag
complex::operator+= complex::operator-= complex::operator*= complex::operator/=
非成员函数 Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
operator== operator!=
operator<< operator>>
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exp
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sin cos tan	asin （C++11） acos （C++11） atan （C++11）
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sinh cosh tanh	asinh （C++11） acosh （C++11） atanh （C++11）

 

Defined in header <complex>
template< class T > complex<T> log( const complex<T>& z );

计算复杂的自然（基地“E”）沿负实轴的分支切割，复杂的价值z对数.

Original:

Computes complex natural (base e) logarithm of a complex value z with a branch cut along the negative real axis.

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参数

z

-

复杂的价值 Original: complex value The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

复杂的自然对数的z

Original:

Complex natural logarithm of z

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另请参阅

exp(std::complex)	complex base e exponential （函数模板）
log10(std::complex)	complex common logarithm with the branch cuts along the negative real axis （函数模板）