std::poisson_distribution::mean - cppreference.com (original) (raw)

| 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.

[edit] Parameters

(none)

[edit] Return value

Floating point value identifying the μ distribution parameter.

[edit] See also

| | gets or sets the distribution parameter object (public member function) [edit] | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |