Lower bounds for the deviations of the best linear methods of approximation of continuous functions by trigonometric polynomials

Authors

  • S. A. Pichugov Днепропетр. нац. ун-т ж.-д. трансп.

Abstract

In the case of uniform approximation of continuous periodic functions of one variable by trigonometric polynomials, we obtain lower bounds for the Jackson constants of the best linear methods of approximation.

Published

25.05.2012

Issue

Section

Research articles

How to Cite

Pichugov, S. A. “Lower Bounds for the Deviations of the Best Linear Methods of Approximation of Continuous Functions by Trigonometric Polynomials”. Ukrains’kyi Matematychnyi Zhurnal, vol. 64, no. 5, May 2012, pp. 662-73, https://umj.imath.kiev.ua/index.php/umj/article/view/2606.