Use of analytical relations in evaluation of exponential integral functions

Guseinov I., Mamedov B.

JOURNAL OF MATHEMATICAL CHEMISTRY, vol.38, no.2, pp.311-314, 2005 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 38 Issue: 2
  • Publication Date: 2005
  • Doi Number: 10.1007/s10910-005-5426-4
  • Journal Name: JOURNAL OF MATHEMATICAL CHEMISTRY
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.311-314
  • Çanakkale Onsekiz Mart University Affiliated: No

Abstract

Analytical formulas through the initial values suitable for numerical computation are developed for the exponential integral functions E-n (x). The relationships obtained are numerically stable for all values of n and for x < 1. Numerical results are also given.