Accurate inverses of Nekrasov Z-matrices

被引：2
|
作者：
Orera, H. [1 ]
Pena, J. M. [1 ]
机构：
[1] Univ Zaragoza, IUMA, Dept Matemat Aplicada, Zaragoza, Spain
来源：
LINEAR ALGEBRA AND ITS APPLICATIONS | 2019年 / 574卷
关键词：
Accuracy; Inverse; H-matrices; Strictly diagonally dominant matrices; Nekrasov matrices;
D O I：
10.1016/j.laa.2019.03.020
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We present a parametrization of a Nekrasov Z-matrix that allows us to compute its inverse with high relative accuracy. Numerical examples illustrating the accuracy of the method are included. (C) 2019 Elsevier Inc. All rights reserved.
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页码：46 / 59
页数：14
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