Summary
In this paper, a method is presented for interpolating to a given set of equally-spaced points a set of piecewise polynomials of degreen which agree in all derivatives throughn−1 at each of the points. Efficient computing algorithms and theorems, based on recursive difference equations and modern matrix techniques, are developed.
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Ahlin, A.C. On smooth interpolation by continuously connected piecewise polynomials. Rend. Circ. Mat. Palermo 20, 229–253 (1971). https://doi.org/10.1007/BF02844177
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DOI: https://doi.org/10.1007/BF02844177