Approximation Theory and its Applications

, Volume 6, Issue 3, pp 30–41 | Cite as

On approximation of continuous functions by the Fejer sum of Fourier-Jacobi series

  • Li Zhongkai


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.


Continuous Function Orthogonal Polynomial Trigonometric Series Linear Polynomial Live Part 


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Copyright information

© Springer 1990

Authors and Affiliations

  • Li Zhongkai
    • 1
  1. 1.Dalian University of TechnologyChina

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