Least squares, singular values and matrix approximations
Gene Howard Golub (1968)
Aplikace matematiky
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Gene Howard Golub (1968)
Aplikace matematiky
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Xiao-Dong Zhang, Chang-Xing Ding (2009)
Czechoslovak Mathematical Journal
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In this paper, necessary and sufficient conditions for equality in the inequalities of Oppenheim and Schur for positive semidefinite matrices are investigated.
Antonín Vrba (1973)
Časopis pro pěstování matematiky
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Williams, Lloyd K. (1989)
International Journal of Mathematics and Mathematical Sciences
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Mertzios, Basil G. (2003)
Acta Universitatis Apulensis. Mathematics - Informatics
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Klaus Röbenack, Kurt Reinschke (2011)
International Journal of Applied Mathematics and Computer Science
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Linear time-invariant networks are modelled by linear differential-algebraic equations with constant coefficients. These equations can be represented by a matrix pencil. Many publications on this subject are restricted to regular matrix pencils. In particular, the influence of the Weierstrass structure of a regular pencil on the poles of its inverse is well known. In this paper we investigate singular matrix pencils. The relations between the Kronecker structure of a singular matrix...