| Copyright | Copyright (c) 2009-2017 David Sorokin <david.sorokin@gmail.com> |
|---|---|
| License | BSD3 |
| Maintainer | David Sorokin <david.sorokin@gmail.com> |
| Stability | experimental |
| Safe Haskell | None |
| Language | Haskell2010 |
Simulation.Aivika.Signal.Random
Contents
Description
Tested with: GHC 8.0.1
This module defines random signals of events, which are useful for describing the input of the model.
Synopsis
- newRandomSignal :: Parameter (Double, a) -> Composite (Signal (Arrival a))
- newRandomUniformSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomUniformIntSignal :: Int -> Int -> Composite (Signal (Arrival Int))
- newRandomTriangularSignal :: Double -> Double -> Double -> Composite (Signal (Arrival Double))
- newRandomNormalSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomLogNormalSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomExponentialSignal :: Double -> Composite (Signal (Arrival Double))
- newRandomErlangSignal :: Double -> Int -> Composite (Signal (Arrival Double))
- newRandomPoissonSignal :: Double -> Composite (Signal (Arrival Int))
- newRandomBinomialSignal :: Double -> Int -> Composite (Signal (Arrival Int))
- newRandomGammaSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomBetaSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomWeibullSignal :: Double -> Double -> Composite (Signal (Arrival Double))
- newRandomDiscreteSignal :: DiscretePDF Double -> Composite (Signal (Arrival Double))
Signal of Random Events
Arguments
| :: Parameter (Double, a) | compute a pair of the delay and event of type |
| -> Composite (Signal (Arrival a)) | the computation that returns a signal emitting the delayed events |
Return a signal of random events that arrive with the specified delay.
newRandomUniformSignal Source #
Arguments
| :: Double | the minimum delay |
| -> Double | the maximum delay |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Create a new signal with random delays distributed uniformly.
newRandomUniformIntSignal Source #
Arguments
| :: Int | the minimum delay |
| -> Int | the maximum delay |
| -> Composite (Signal (Arrival Int)) | the computation of signal emitting random events with the delays generated |
Create a new signal with integer random delays distributed uniformly.
newRandomTriangularSignal Source #
Arguments
| :: Double | the minimum delay |
| -> Double | the median of the delay |
| -> Double | the maximum delay |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Create a new signal with random delays having the triangular distribution.
newRandomNormalSignal Source #
Arguments
| :: Double | the mean delay |
| -> Double | the delay deviation |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Create a new signal with random delays distributed normally.
newRandomLogNormalSignal Source #
Arguments
| :: 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 |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Create a new signal with random delays having the lognormal distribution.
newRandomExponentialSignal Source #
Arguments
| :: Double | the mean delay (the reciprocal of the rate) |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays distibuted exponentially with the specified mean (the reciprocal of the rate).
newRandomErlangSignal Source #
Arguments
| :: Double | the scale (the reciprocal of the rate) |
| -> Int | the shape |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the Erlang distribution with the specified scale (the reciprocal of the rate) and shape parameters.
newRandomPoissonSignal Source #
Arguments
| :: Double | the mean delay |
| -> Composite (Signal (Arrival Int)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the Poisson distribution with the specified mean.
newRandomBinomialSignal Source #
Arguments
| :: Double | the probability |
| -> Int | the number of trials |
| -> Composite (Signal (Arrival Int)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the binomial distribution with the specified probability and trials.
Arguments
| :: Double | the shape |
| -> Double | the scale (a reciprocal of the rate) |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the Gamma distribution by the specified shape and scale.
Arguments
| :: Double | the shape (alpha) |
| -> Double | the shape (beta) |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the Beta distribution by the specified shape parameters (alpha and beta).
newRandomWeibullSignal Source #
Arguments
| :: Double | shape |
| -> Double | scale |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the Weibull distribution by the specified shape and scale.
newRandomDiscreteSignal Source #
Arguments
| :: DiscretePDF Double | the discrete probability density function |
| -> Composite (Signal (Arrival Double)) | the computation of signal emitting random events with the delays generated |
Return a new signal with random delays having the specified discrete distribution.