Swapping 2 x 2 blocks in the Schur and generalized Schur form

被引：3
|
作者：
Camps, Daan [1 ]
Mastronardi, Nicola [2 ]
Vandebril, Raf [1 ]
Van Dooren, Paul [3 ]
机构：
[1] Katholieke Univ Leuven, Dept Comp Sci, Leuven, Belgium
[2] CNR, Ist Applicaz Calcolo M Picone, Sede Di Bari, Italy
[3] Catholic Univ Louvain, Dept Math Engn, Louvain La Neuve, Belgium
来源：
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2020年 / 373卷
关键词：
Eigenvalues; Schur form; Reordering Schur form; Stability;
D O I：
10.1016/j.cam.2019.05.022
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
In this paper we describe how to swap two 2 x 2 blocks in a real Schur form and a generalized real Schur form. We pay special attention to the numerical stability of the method. We also illustrate the stability of our approach by a series of numerical tests. (C) 2019 Elsevier B.V. All rights reserved.
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页数：8
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