Constructive methods for spectra with three nonzero elements in the nonnegative inverse eigenvalue problem

被引：3

作者：

Cronin, Anthony G. ^{[1
]}

机构：

[1] Univ Coll Dublin, Sch Math & Stat, Dublin, Ireland

来源：

LINEAR & MULTILINEAR ALGEBRA | 2018年 / 66卷 / 03期

关键词：

Nonnegative matrices; inverse eigenvalue problem; spectral theory; MATRICES;

D O I：

10.1080/03081087.2017.1301361

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We present and compare three constructive methods for realizing nonreal spectra with three nonzero elements in the nonnegative inverse eigenvalue problem. We also provide some necessary conditions for realizability and numerical examples. In particular, we utilize the companion matrix.

引用

页码：435 / 446

页数：12

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