box% ghci GHCi, version 8.10.2: https://www.haskell.org/ghc/ :? for help Prelude> g x = x^2 Prelude> g 6 36 Prelude> eps = 1e-6 Prelude> ddx = \f -> \x -> (f (x+eps) - f x) / eps Prelude> ddx g 1 2.0000009999243673 Prelude>
box% ghci GHCi, version 8.10.2: https://www.haskell.org/ghc/ :? for help Prelude> g x = x^2 Prelude> g 6 36 Prelude> eps = 1e-6 Prelude> ddx = \f -> \x -> (f (x+eps) - f x) / eps Prelude> ddx g 1 2.0000009999243673 Prelude>
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