Open Access

On the estimation of upper bound for solutions of perturbed discrete Lyapunov equations

Journal of Inequalities and Applications20062006:58931

DOI: 10.1155/JIA/2006/58931

Received: 20 February 2006

Accepted: 12 June 2006

Published: 18 October 2006


The estimation of the positive definite solutions to perturbed discrete Lyapunov equations is discussed. Several upper bounds of the positive definite solutions are obtained when the perturbation parameters are norm-bounded uncertain. In the derivation of the bounds, one only needs to deal with eigenvalues of matrices and linear matrix inequalities, and thus avoids solving high-order algebraic equations. A numerical example is presented.


Authors’ Affiliations

Applied Science College, Harbin University of Science and Technology


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© D.-Y. Chen and D.-Y.Wang 2006

This article is published under license to BioMed Central Ltd. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.