aivika-transformers-5.2: Transformers for the Aivika simulation library

Copyright Copyright (c) 2009-2017 David Sorokin BSD3 David Sorokin experimental None Haskell2010

Simulation.Aivika.Trans.Stream.Random

Contents

Description

Tested with: GHC 8.0.1

This module defines random streams of events, which are useful for describing the input of the model.

Synopsis

# Stream of Random Events

Arguments

 :: MonadDES m => Parameter m (Double, a) compute a pair of the delay and event of type a -> Stream m (Arrival a) a stream of delayed events

Return a sream of random events that arrive with the specified delay.

Arguments

 :: MonadDES m => Double the minimum delay -> Double the maximum delay -> Stream m (Arrival Double) the stream of random events with the delays generated

Create a new stream with delays distributed uniformly.

Arguments

 :: MonadDES m => Int the minimum delay -> Int the maximum delay -> Stream m (Arrival Int) the stream of random events with the delays generated

Create a new stream with integer delays distributed uniformly.

Arguments

 :: MonadDES m => Double the minimum delay -> Double the median of the delay -> Double the maximum delay -> Stream m (Arrival Double) the stream of random events with the delays generated

Create a new stream with random delays having the triangular distribution.

Arguments

 :: MonadDES m => Double the mean delay -> Double the delay deviation -> Stream m (Arrival Double) the stream of random events with the delays generated

Create a new stream with delays distributed normally.

Arguments

 :: MonadDES m => Double the mean of a normal distribution which this distribution is derived from -> Double the deviation of a normal distribution which this distribution is derived from -> Stream m (Arrival Double) the stream of random events with the delays generated

Create a new stream with random delays having the lognormal distribution.

Arguments

 :: MonadDES m => Double the mean delay (the reciprocal of the rate) -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with delays distibuted exponentially with the specified mean (the reciprocal of the rate).

Arguments

 :: MonadDES m => Double the scale (the reciprocal of the rate) -> Int the shape -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with delays having the Erlang distribution with the specified scale (the reciprocal of the rate) and shape parameters.

Arguments

 :: MonadDES m => Double the mean delay -> Stream m (Arrival Int) the stream of random events with the delays generated

Return a new stream with delays having the Poisson distribution with the specified mean.

Arguments

 :: MonadDES m => Double the probability -> Int the number of trials -> Stream m (Arrival Int) the stream of random events with the delays generated

Return a new stream with delays having the binomial distribution with the specified probability and trials.

Arguments

 :: MonadDES m => Double the shape -> Double the scale (a reciprocal of the rate) -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with random delays having the Gamma distribution by the specified shape and scale.

Arguments

 :: MonadDES m => Double the shape (alpha) -> Double the shape (beta) -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with random delays having the Beta distribution by the specified shape parameters (alpha and beta).

Arguments

 :: MonadDES m => Double shape -> Double scale -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with random delays having the Weibull distribution by the specified shape and scale.

Arguments

 :: MonadDES m => DiscretePDF Double the discrete probability density function -> Stream m (Arrival Double) the stream of random events with the delays generated

Return a new stream with random delays having the specified discrete distribution.