On the nonsingularity of matrices with certain sign patterns

DOI10.1016/S0024-3795(97)00341-8zbMath0892.15006OpenAlexW2038275711MaRDI QIDQ1381272

Chuanxiang Ji, Pappur N. Shivakumar

Publication date: 17 March 1998

Published in: Linear Algebra and its Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/s0024-3795(97)00341-8

zbMATH Keywords

numerical examplesign distributionnonsingularity of matricessign nonsingular

Mathematics Subject Classification ID

Theory of matrix inversion and generalized inverses (15A09) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Finite difference methods for boundary value problems involving PDEs (65N06)

Related Items (1)

A review of infinite matrices and their applications

Cites Work

• A note concerning positive matrices and M-Matrices
• When the sign pattern of a square matrix determines uniquely the sign pattern of its inverse
• Strong forms of nonsingularity
• Viscous flow in pipes whose cross-sections are doubly connected regions
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