10 lines
306 B
Haskell
10 lines
306 B
Haskell
forwardDifference :: Num a => [a] -> [a]
|
|
forwardDifference = tail >>= zipWith (-)
|
|
|
|
nthForwardDifference :: Num a => [a] -> Int -> [a]
|
|
nthForwardDifference = (!!) . iterate forwardDifference
|
|
|
|
main :: IO ()
|
|
main =
|
|
mapM_ print $
|
|
take 10 (iterate forwardDifference [90, 47, 58, 29, 22, 32, 55, 5, 55, 73])
|