Abstract
This paper proved the following three facts about the Lipschitz continuous property of Bernstein polynomials and Bezier nets defined on a triangle: suppose f(P) is a real valued function defined on a triangle T, (1) If f(P) satisfies Lipschitz continuous condition, i.e. f(P)∃LipAα, then the corresponding Bernstein Bezier net fn∃Lip Asec αφα, here φ is the half of the largest angle of triangle T; (2) If Bernstein Bezier net fn∃Lip Bα, then its elevation Bezier net Efn∃Lip Bα; and (3) If f(P)∃Lip Aα, then the corresponding Bernstein polynomials Bn(f;P)∃Lip Asec αφα, and the constant Asecαφ is best in some sense.
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Supported by NSF and SF of National Educational Committee
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Falai, C. The best Lipschitz constants of Bernstein polynomials and Bezier nets over a given triangle. Approx. Theory & its Appl. 11, 1–8 (1995). https://doi.org/10.1007/BF02836275
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DOI: https://doi.org/10.1007/BF02836275