On approximation of continuous functions by the Fejer sum of Fourier-Jacobi series
In the present paper, we study the degree of approximation of a continuous function f(x) by the Fejer sum F n (α,β) (f,x) of its Fourier-Jacobi series, and also prove a simple inverse theorem.
KeywordsContinuous Function Orthogonal Polynomial Trigonometric Series Linear Polynomial Live Part
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