参考文献 (Smooth)
- William H.Press, Brian P.Flannery, Saul A.Teukolsky, William T.Vetterling .Numerical Recipes in C: The Art of Scientific Computing.Cambridge University Press, 1992.pp.650-655.
- Savitzky, A.and Golay, M.J.E.Smoothing and Differentiation of Data by Simplified Least Squares Procedures.Analytical Chemistry 36(8):1627-1639, July 1964.