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An interpolating Polynomial which uses information from neighboring points to obtain a degree of global smoothness.
See also B-Spline, Bézier Spline, Cubic Spline, NURBS Curve
References
Bartels, R. H.; Beatty, J. C.; and Barsky, B. A.
An Introduction to Splines for Use in Computer Graphics and Geometric Modelling.
San Francisco, CA: Morgan Kaufmann, 1987.
de Boor, C. A Practical Guide to Splines. New York: Springer-Verlag, 1978.
Press, W. H.; Flannery, B. P.; Teukolsky, S. A.; and Vetterling, W. T. ``Interpolation and Extrapolation.'' Ch. 3 in
Numerical Recipes in FORTRAN: The Art of Scientific Computing, 2nd ed. Cambridge, England: Cambridge
University Press, pp. 99-122, 1992.
Späth, H. One Dimensional Spline Interpolation Algorithms. Wellesley, MA: A. K. Peters, 1995.
Splines