International Journal of Mathematics and Mathematical Sciences
Volume 2010 (2010), Article ID 351016, 7 pages
doi:10.1155/2010/351016
Research Article

A Study on Degree of Approximation by (E,1) Summability Means of the Fourier-Laguerre Expansion

H. K. Nigam and Ajay Sharma

Department of Mathematics, Faculty of Engineering & Technology, Mody Institute of Technology and Science, Deemed University, Laxmangarh - 332311, Sikar, Rajasthan, India

Received 12 April 2010; Accepted 26 July 2010

Academic Editor: V. R. Khalilov

Copyright © 2010 H. K. Nigam and Ajay Sharma. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A very new theorem on the degree of approximation of the generating function by (E,1) means of its Fourier-Laguerre series at the frontier point x=0 is obtained.