Weighted uniform approximation on the semiaxis by rational operators

DOI10.1155/S1025583499000387zbMath0951.41008MaRDI QIDQ1969251

Biancamaria Della Vecchia, Giuseppe Mastroianni, József Szabados

Publication date: 8 August 2000

Published in: Journal of Inequalities and Applications (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/120670

zbMATH Keywords

rational approximationdegree of approximationdirect and converse theoremsBalász-Shepard operator

Mathematics Subject Classification ID

Approximation by rational functions (41A20) Inequalities in approximation (Bernstein, Jackson, Nikol'ski?-type inequalities) (41A17) Rate of convergence, degree of approximation (41A25) Approximation by positive operators (41A36)

Related Items (7)

Weighted approximation by rational operators ⋮ On weighted approximation by rational operators for functions with singularities ⋮ Direct and converse results for the weighted rational approximation of functions with inner singularities ⋮ Uniform approximation by Nevai operators ⋮ Approximation by rational operators in L^pspaces ⋮ On approximation by max-product Shepard operators ⋮ Approximation with exponential weights in \([-1,1\)]

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