On Approximation by Post-Widder and Stancu Operators Preserving x2

DOI10.5666/KMJ.2009.49.1.057zbMath1181.41029MaRDI QIDQ5324044

M. Skorupka, Lucyna Rempulska

Publication date: 3 August 2009

Published in: Kyungpook mathematical journal (Search for Journal in Brave)

zbMATH Keywords

approximation theorempolynomial weighted space

Mathematics Subject Classification ID

Rate of convergence, degree of approximation (41A25) Approximation by positive operators (41A36)

Related Items (5)

Some Results on Post-Widder Operators Preserving Test Function x^r ⋮ On modified Post-Widder operators which fix exponentials ⋮ Modified Post-Widder Operators Preserving Exponential Functions ⋮ Convergence by modified Post-Widder operators ⋮ On sequences of J. P. King-type operators

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