2003 | OriginalPaper | Buchkapitel
On Symmetric Solution Sets
verfasst von : Götz Alefeld, Vladik Kreinovich, Güunter Mayer
Erschienen in: Inclusion Methods for Nonlinear Problems
Verlag: Springer Vienna
Enthalten in: Professional Book Archive
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Given an n x n interval matrix [A] and an interval vector [b] with n components we present an overview on existing results on the solution set Ssym of linear systems of equations Ax = b with symmetric matrices A E [A] and vectors b E [b]. Similarly we consider the set Esym of eigenpairs associated with the symmetric matrices A E [Al. We report on characterizations of Ssym by means of inequalities, by means of intersection of sets, and by an approach which is generalizable to more general dependencies of the entries. We also recall two methods for enclosing Ssym by means of interval vectors, and we mention a characterization of Es y m.