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International Journal of Computer Mathematics Volume 81, 2004 - Issue 7
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Miscellany

Generalized doubly diagonally dominant matrices

Ting-zhu Huang School of Applied Mathematics, University of Electronic Science and Technology of China, Chengdu, Sichuan, 610054, P.R. ChinaCorrespondence[email protected]
&
D. J. Evans Department of Computing and Mathematics, Nottingham Trent University, Nottingham, NG1 4BV, UK
Pages 863-870 | Accepted 24 Mar 2004, Published online: 25 Jan 2007
 
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Abstract

Let A be an n by n complex matrix. Several notions of generalized doubly diagonal dominant matrices are introduced. New criteria for the nonsingularity of A and practical criteria for A being an H-matrix are given.

Acknowledgement

Supported by NSFC 60372012.

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