Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering
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.
Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering
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