孟纯军, 杨泽昱, 李晗

湖南大学数学与计量经济学院, 长沙 410082

收稿日期:2018-06-19出版日期:2019-09-15发布日期:2019-08-21
通讯作者:孟纯军,Email:mengchunjun@hnu.edu.cn

基金资助:国家自然科学基金（11271117）资助.

THE IMPROVED ALGORITHM ON THE DOUBLE DIMENSIONAL JACOBI MATRIX INVERSE EIGENVALUE PROBLEM

Meng Chunjun, Yang Zeyu, Li Han

College of Mathematics and Econometrics, Hunan University, Changsha 410082, China

Received:2018-06-19Online:2019-09-15Published:2019-08-21







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本文给出了一种解决双倍维Jacobi矩阵逆问题的改进算法.该算法避免了重新构造顺序主子矩阵J_n，也避免了计算尾主子矩阵J_n+1，2n的特征多项式以及特征值，因此本文的改进算法具有更好的稳定性和精度.给出的两个数值实例说明，本文的改进算法是有效的，比现有的几种算法具有更高的精度.
MR(2010)主题分类:
15A18
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