Shunsheng Guo, Shujie Yue, Cuixiang Li, Ge Yang, Yiguo Sun, "A pointwise approximation theorem for linear combinations of Bernstein polynomials", Abstract and Applied Analysis, vol. 1, Article ID 363891, 10 pages, 1996. https://doi.org/10.1155/S1085337596000218
A pointwise approximation theorem for linear combinations of Bernstein polynomials
Recently, Z. Ditzian gave an interesting direct estimate for Bernstein polynomials. In this paper we give direct and inverse results of this type for linear combinations of Bernstein polynomials.
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