random-fu-0.2.7.3: Random number generation

Safe HaskellNone
LanguageHaskell98

Data.Random.Distribution.Triangular

Synopsis

Documentation

data Triangular a Source #

A description of a triangular distribution - a distribution whose PDF is a triangle ramping up from a lower bound to a specified midpoint and back down to the upper bound. This is a very simple distribution that does not generally occur naturally but is used sometimes as an estimate of a true distribution when only the range of the values and an approximate mode of the true distribution are known.

Constructors

Triangular 

Fields

  • triLower :: a

    The lower bound of the triangle in the PDF (the smallest number the distribution can generate)

  • triMid :: a

    The midpoint of the triangle (also the mode of the distribution)

  • triUpper :: a

    The upper bound of the triangle (and the largest number the distribution can generate)

Instances
(RealFrac a, Distribution Triangular a) => CDF Triangular a Source # 
Instance details

Defined in Data.Random.Distribution.Triangular

Methods

cdf :: Triangular a -> a -> Double Source #

(RealFloat a, Ord a, Distribution StdUniform a) => Distribution Triangular a Source # 
Instance details

Defined in Data.Random.Distribution.Triangular

Methods

rvar :: Triangular a -> RVar a Source #

rvarT :: Triangular a -> RVarT n a Source #

Eq a => Eq (Triangular a) Source # 
Instance details

Defined in Data.Random.Distribution.Triangular

Methods

(==) :: Triangular a -> Triangular a -> Bool #

(/=) :: Triangular a -> Triangular a -> Bool #

Show a => Show (Triangular a) Source # 
Instance details

Defined in Data.Random.Distribution.Triangular

floatingTriangular :: (Floating a, Ord a, Distribution StdUniform a) => a -> a -> a -> RVarT m a Source #

Compute a triangular distribution for a Floating type.

triangularCDF :: RealFrac a => a -> a -> a -> a -> Double Source #

triangularCDF a b c is the CDF of realFloatTriangular a b c.