Jackson type theorems are obtained for monotone and comonotone approximation. Namely (i) If f(x) is a function such that the kth difference of f is $\geqq0$ on [ a, b] then the degree of approximation ...
Transactions of the American Mathematical Society, Vol. 223 (Oct., 1976), pp. 103-131 (29 pages) This paper demonstrates a Remez exchange algorithm applicable to approximation of real-valued ...
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