Liat Ein-Dor, Y. Goldschmidt, et al.
IBM J. Res. Dev
Paper
Characterization of Chebyshev approximation by weak Markoff systems
Abstract
In this paper we prove a theorem which characterizes a best chebyshev approximation by a weak Markoff system. We give several applications of this result which include best approximation by spline functions. © 1974 Springer-Verlag.
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