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JanDupal/interpol.hs

Created August 15, 2011 23:06
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Vector interpolation in Haskell
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interpol.hs
size :: [Double] -> Double
size = sqrt . sum . map (**2)
add :: [Double] -> [Double] -> [Double]
add = zipWith (+)
normalize :: [Double] -> [Double]
normalize a = map (/ size a) a
interpolate :: [Double] -> [Double] -> [Double]
interpolate = (.)(normalize . take 3) . add
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