Affiliation:
1. School of Mathematics and Information Science, Baoji University of Arts and Sciences, Baoji, Shaanxi 721013, China
Abstract
In this paper, the question of when the subdirect sum of two doubly strictly diagonally dominant (DSDDs) matrices is addressed. Some sufficient conditions are given, and these sufficient conditions only depend on the elements of the given matrices. Moreover, examples are presented to illustrate the corresponding results.
Funder
National Natural Science Foundation of China
Cited by
4 articles.
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