On formulation of state equations for linear nonstationary discrete-time system
Václav Soukup (1972)
Kybernetika
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Displaying similar documents to “A numerical method of matrix spectral factorization”
On formulation of state equations for linear nonstationary discrete-time system
Solving two-point boundary value problems for the non monic regular matrix differential equation
Navarro, E., Jódar, L. (1991)
Portugaliae mathematica
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On Nonadaptive Search Problem
Kolev, Emil (2003)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 91A46, 91A35. We consider nonadaptive search problem for an unknown element x from the set A = {1, 2, 3, . . . , 2^n}, n ≥ 3. For fixed integer S the questions are of the form: Does x belong to a subset B of A, where the sum of the elements of B is equal to S? We wish to find all integers S for which nonadaptive search with n questions finds x. We continue our investigation from [4] and solve the last remaining case n = 2^k , k ≥ 2. ...
Métodos para la actualización de los factores de Q y R de una matriz.
Laureano F. Escudero (1984)
Trabajos de Estadística e Investigación Operativa
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Recientemente se han propuesto varios métodos para modificar los factores Q y R de una matriz una vez que se ha eliminado (o añadido) una fila o una columna. Normalmente la descripción de estos métodos se efectúa en el contexto de una determinada aplicación; quizá sea ésta la causa de su escasa difusión.
A method of approximate factorization of positive definite matrix functions
Gigla Janashia, Edem Lagvilava (1999)
Studia Mathematica
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An algorithm of factorization of positive definite matrix functions of second order is proposed.
Weighting function and state equations of linear discrete-time-varying system
Václav Soukup (1973)
Kybernetika
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A footnote to the Poincaré complete reducibility theorem.
Henrik H. Martens (1992)
Publicacions Matemàtiques
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Poincaré's work on the reduction of Abelian integrals contains implicitly an algorithm for the expression of a theta function as a sum of products of theta functions of fewer variables in the presence of reduction. The aim of this paper is to give explicit formulations and reasonably complete proofs of Poincaré's results.