This paper studies a Durrmeyer-type family of Szász operators generated by confluent Appell polynomials of class A(2). We investigate their approximation behavior on the semi-infinite interval in a weighted setting, obtain convergence estimates by means of the modulus of continuity and Peetre’s K-functional, and establish a Voronovskaya-type asymptotic formula. Numerical graphs are also presented for the approximation of g.
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Fatih Rıza Çelik (2026) studied this question.
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