Weighted Approximation of Functions with Inner Singularities by Exponential Weights in [−1, 1]

DOI10.1081/NFA-120020287zbMath1051.41015OpenAlexW1997333032MaRDI QIDQ4413523

Biancamaria Della Vecchia, Giuseppe Mastroianni, József Szabados

Publication date: 20 July 2003

Published in: Numerical Functional Analysis and Optimization (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1081/nfa-120020287

zbMATH Keywords

weighted modulus of smoothnessShepard-type operatorsInner singularities of exponential type

Mathematics Subject Classification ID

Interpolation in approximation theory (41A05) Approximation by positive operators (41A36)

Related Items (1)

Inequalities for Shepard-type operators

Cites Work

• Unnamed Item
• Pointwise simultaneous approximation by rational operators
• Balázs-Shepard operators on infinite intervals. II
• Approximation with exponential weights in \([-1,1\)]
• Direct and converse results by rational operators
• Best approximation and moduli of smoothness for doubling weights

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