Email Alert    RSS

Applied Mathematics and Mechanics (English Edition) ›› 1998, Vol. 19 ›› Issue (7): 663-668.

• 论文 • 上一篇    下一篇

THE ORTHOGONAL POLYNOMIALS AND THE PADE’APPROXIMATION

Faiz Ahmad   

  1. Department of Mathemahcs, Quaid-Azam University, Islamabad, Pakistan
  • 收稿日期:1997-02-01 出版日期:1998-07-18 发布日期:1998-07-18
  • 通讯作者: Chien Weizang, Ding Xicping

THE ORTHOGONAL POLYNOMIALS AND THE PADE’APPROXIMATION

Faiz Ahmad   

  1. Department of Mathemahcs, Quaid-Azam University, Islamabad, Pakistan
  • Received:1997-02-01 Online:1998-07-18 Published:1998-07-18

PDF

665

摘要： The diagonal Pade’ approximates for exp(x). tanx and tanhx are obtained in a simple manner by using the property of Legendre polynomials that on [-1, 1] Pn(x) is orthogonal to every polynomial of lower degree. Gauss’s quadrature formula is used tofined the denomiators of some functions.

Abstract: The diagonal Pade’ approximates for exp(x). tanx and tanhx are obtained in a simple manner by using the property of Legendre polynomials that on [-1, 1] Pn(x) is orthogonal to every polynomial of lower degree. Gauss’s quadrature formula is used tofined the denomiators of some functions.

APS Journals | CSTAM Journals | AMS Journals | EMS Journals | ASME Journals
Total visitors:
Copyright © Applied Mathematics and Mechanics (English Edition)
Address：P. O. Box 122, Shanghai University, 99 Shangda Road, Shanghai 200444, China
E-mail： amm@department.shu.edu.cn
Technical support: Beijing Magtech Co.ltd support@magtech.com.cn