In this paper, we have proved four theorems on the degree of approximation of continuous functions by matrix means of their Fourier series which is expressed in terms of the modulus of continuity and a non-negative mediate function.
Approximation of functions from Lp(w)b by matrix means of their Fourier series
Basic analog of Fourier series on a {\large $\que$}-quadratic grid
Primitives of continuous functions via polynomials
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