On uniqueness of best spline approximations with free knots. (English) Zbl 0283.41004
References:
| [1] | Braess, D., Chebyshev Approximation by Spline Functions with Free Knots, Numer. Math., 17, 357-366 (1971) · Zbl 0227.65010 |
| [2] | Karlin, S.; Ziegler, Z., Chebyshevian Spline Functions, SIAM J. Numer. Anal., 3, 514-543 (1966) · Zbl 0171.31002 |
| [3] | Karlin, S.; Schumaker, L., The Fundamental Theorem of Algebra for Tschebycheffian Monosplines, J. Anal. Math., 20, 233-270 (1967) · Zbl 0187.02002 |
| [4] | Schumaker, L., Uniform Approximation by Chebyshev Spline Functions, II: Free Knots, SIAM J. Numer. Anal., 5, 647-656 (1968) · Zbl 0169.39404 |
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