Math.Root.Finder.Dekker

Documentation

data Dekker a b

Instances

(Fractional a, Ord a, Real b, Fractional b, Ord b) => RootFinder Dekker a b

(Eq a, Eq b) => Eq (Dekker a b)

(Show a, Show b) => Show (Dekker a b)

dekker :: RealFloat a => (a -> a) -> a -> a -> a -> Either (Dekker a a) a

dekker f x1 x2 xacc: attempt to find a root of a function known to lie between x1 and x2, using Dekker's method. The root will be refined till its accuracy is +-xacc. If convergence fails, returns the final state of the search.