Article ID Journal Published Year Pages File Type
6421978 Applied Mathematics and Computation 2013 13 Pages PDF
Abstract

The problem to describe the Bernstein polynomials of unbounded functions goes back to Lorentz. The aim of this paper is to investigate the convergence properties of the q-Bernstein polynomials Bn,q(f;x) of the Cauchy kernel 1x-α with a pole α∈[0,1] for q>1. The previously obtained results allow one to describe these properties when a pole is different from q-m for some m∈0,1,2,…. In this context, the focus of the paper is on the behavior of polynomials Bn,q(f;x) for the functions of the form fm(x)=1/(x-q-m),x≠q-m and fm(q-m)=a,a∈R. Here, the problem is examined both theoretically and numerically in detail.

Related Topics
Physical Sciences and Engineering Mathematics Applied Mathematics
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