Improved computation of cubic natural splines with equi-spaced knots

Malcolm A. MacLeod
1973 Mathematics of Computation  
An improved algorithm is given for the computation of the coefficients of the interpolating polynomials for cubic natural splines with equi-spaced knots. By solving the continuity equation recursively, a gain in computation efficiency is obtained and the requirement of previous techniques for exact computation is eliminated.
doi:10.1090/s0025-5718-1973-0326982-6 fatcat:7d56g3iuzvdmppo4y33mfhpgze