Improving the accuracy of the matrix differentiation method for arbitrary collocation points

被引：35

作者：

Baltensperger, R ^{[1
]}

机构：

[1] Univ Fribourg, Inst Math, CH-1700 Fribourg, Switzerland

来源：

APPLIED NUMERICAL MATHEMATICS | 2000年 / 33卷 / 1-4期

关键词：

spectral methods; differentiation matrix; barycentric formula; roundoff error;

D O I：

10.1016/S0168-9274(99)00077-X

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We discuss the errors incurred when using the standard formula for calculating differentiation matrices in spectral methods and suggest more precise ways of calculating the derivatives and their matrices. (C) 2000 IMACS. Published by Elsevier Science B.V. All rights reserved.

引用

页码：143 / 149

页数：7

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