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std::poisson_distribution::mean

double mean() const;

(since C++11)

Returns the μ parameter the distribution was constructed with. The parameter defines mean number of occurrences of the event. The default value is 1.0.

Parameters

(none).

Return value

Floating point value identifying the μ distribution parameter.

See also

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

Links:

http://en.cppreference.com/w/cpp/numeric/random/poisson_distribution/mean

doc_CPP

2016-10-11 10:05:44

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