std::normal_distribution::stddev

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RealType stddev() const;
(since C++11)

The standard deviation σ of the normal distribution.

[edit] Parameters

(none)

[edit] Return value

Returns the value of the standard deviation σ parameter with which the object was constructed (default is 1.0).

[edit] See also

gets or sets the distribution parameter object
(public member function)
returns the mean (μ) distribution parameter
(public member function)