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Linear systems with Ω-diagonally dominant matrices and related ones

Authors
Journal
Linear Algebra and its Applications
0024-3795
Publisher
Elsevier
Publication Date
Volume
186
Identifiers
DOI: 10.1016/0024-3795(93)90289-z
Disciplines
  • Computer Science

Abstract

Abstract We apply the interval Gaussian algorithm to an n × n interval matrix [ A] of which the comparison matrix 〈[ A]〉 is Ω-diagonally dominant or even slightly more generalized. We prove a new sufficient criterion for the feasibility of this method, extending a recently given sufficient criterion for irreducible and diagonally dominant comparison matrices.

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