W3cubDocs

/C++

std::exponential_distribution<RealType>::lambda

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

Returns the λ distribution parameter the distribution was constructed with. The parameter defines the rate of events, per unit. The default value is 1.0.

Parameters

(none).

Return value

Floating point value identifying the rate of events per unit.

See also

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

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/numeric/random/exponential_distribution/lambda