DEGREE OF APPROXIMATION OF FUNCTION OF CLASS Z w(α, γ) BY (N, p, q)C1 MEAN OF FOURIER SERIES

Santosh Kumar Sinha; U. K. Shrivastava

doi:10.56827/SEAJMMS.2022.1802.11

Santosh Kumar Sinha Department of Mathematics, Lakhmi Chand Institute of Technology, Bodri, Bilaspur - 495220, Chhattisgarh, INDIA
U. K. Shrivastava Department of Mathematics, Govt. E. R. R. PG College, Bilaspur, Chhattisgarh, INDIA

DOI: https://doi.org/10.56827/SEAJMMS.2022.1802.11

Keywords: Degree of approximation, Generalized Zygmund class, (N, p, q) mean, (C, 1) mean, (N, p, q)C1 mean

Abstract

In this paper we have established a result on the degree of approximation of function belonging to the generalized Zygmund class z w(α, γ) by (N, p, q)C1 means of Fourier series.