Safe Haskell | Safe-Inferred |
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- data InverseQuadratic a b
- inverseQuadratic :: RealFloat a => (a -> a) -> a -> a -> a -> Either (InverseQuadratic a a) a

# Documentation

data InverseQuadratic a b Source

(Fractional a, Ord a, Real b, Fractional b) => RootFinder InverseQuadratic a b | |

(Eq a, Eq b) => Eq (InverseQuadratic a b) | |

(Show a, Show b) => Show (InverseQuadratic a b) |

inverseQuadratic :: RealFloat a => (a -> a) -> a -> a -> a -> Either (InverseQuadratic a a) aSource

`inverseQuadratic f x1 x2 xacc`

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