Dvda.Dual

Documentation

data Dual a

Constructors

Dual

Fields

dualPrimal :: a

dualPerturbation :: a

Instances

Eq a => Eq (Dual a)

Floating a => Floating (Dual a)

Fractional a => Fractional (Dual a)

Num a => Num (Dual a)

Show a => Show (Dual a)

fad :: Num a => (Dual a -> Dual a) -> a -> a

Forward derivative propogation. fad sin x == cos x

fad' :: Num a => (Dual a -> [Dual a]) -> a -> [a]

Forward derivative propogation. fad' [sin x, 2*x] == [cos x, 2]