-> (a -> a) -- ^ The derivative of @f@
-> a -- ^ Initial guess, x-naught
-> [a]
-> (a -> a) -- ^ The derivative of @f@
-> a -- ^ Initial guess, x-naught
-> [a]
-> a -- ^ Initial guess, x-naught
-> a -- ^ Second initial guess, x-one
-> [a]
-> a -- ^ Initial guess, x-naught
-> a -- ^ Second initial guess, x-one
-> [a]