Results 261 to 270 of about 190,067 (305)

Observability analysis of combined finite automata based upon semi-tensor product of matrices approach

Transactions of the Institute of Measurement and Control, 2020
As a fundamental subject, the state estimation of deterministic finite automata has received considerable attention. Especially, it is increasingly necessary to study various problems based on more complex systems.
Zengqiang Chen, Yingrui Zhou, Zhipeng Zhang, Zhongxin Liu   +3 more
semanticscholar   +1 more source

Approximating system of ordinary differential-algebraic equations via derivative of Legendre polynomials operational matrices

International Journal of Modern Physics C, 2022
Legendre polynomials’ first derivatives have been used as the basis function via the pseudo-Galerkin spectral method. Operational matrices for derivatives have been used and extended to deal with the system of ordinary differential-algebraic equations. An algorithm via those matrices has been designed.
M. Abdelhakem, D. Baleanu, P. Agarwal, Hanaa Moussa   +3 more
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Numerical Solution of Systems of Linear Algebraic Equations with Ill-Conditioned Matrices

Vestnik St. Petersburg University, Mathematics, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lebedeva, A. V., Ryabov, V. M.
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Solution of systems of algebraic equations with λ matrices

USSR Computational Mathematics and Mathematical Physics, 1988
See the review in Zbl 0644.65029.
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Direct methods of solving systems of linear algebraic ef ions with complex a-matrices

Cybernetics and Systems Analysis, 2000
The paper deals with the solution of complex linear systems \(A(\lambda)X(\lambda)=B(\lambda)\) where \(B(\lambda)\) is a polynomial vector and \(A(\lambda)\) a trigonometric matrix polynomial. The paper discusses several (non-orthogonal) direct methods for the solution of linear systems which are adapted to the polynomial situation and backward ...
Bosikova, I. I., Nedashkovskii, N. A.
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The package processing of systems of linear algebraic equations with sparse matrices

USSR Computational Mathematics and Mathematical Physics, 1978
Abstract A DESCRIPTION is given of the structure of the package SPARSE for the solution of systems of linear algebraic equations arising from the integration of systems of ordinary differential equations. Reliability and efficiency of the work of the package is attained because of the choice of a corresponding system organization, based on the ideas ...
Eremin, A. Yu., Mar'yashkin, N. Ya.
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Invertibility of matrices over ordered algebraic systems

Siberian Mathematical Journal, 1998
\textit{L. A. Skornyakov} [Sib. Mat. Zh. 27, No. 2(156), 182-185 (1986; Zbl 0595.15003)] gave a description of invertible matrices over distributive lattices. The author generalizes it to the case of ordered algebraic systems (of ordered groupoids with an upper semilattice structure on them). The systems were considered by \textit{T. S. Blyth} [J. Lond.
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Closed form integration of element stiffness matrices using a computer algebra system

Computers & Structures, 1995
Abstract A symbolic algebra package, Mathematica is used to investigate the analytical integration of the mixed finite element stiffness matrices. Two mixed finite elements of the Hellinger-Reissner type are examined in this study; the computing effort in the generation of the stiffness matrices with an analytical integration process is reduced ...
Yew, C. K., Boyle, J. T., MacKenzie, D.
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Minimax matrix correction of inconsistent systems of linear algebraic equations with block matrices of coefficients

Journal of Computer and Systems Sciences International, 2006
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gorelik, V. A., Erokhin, V. I., Pechenkin, R. V.   +2 more
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Systems of linear algebraic equations with random coefficients when the regularization matrices are used

Random Operators and Stochastic Equations, 1993
Summary: Existence problems of linear algebra are discussed. With the help of the methods of \(G\)-analysis new assertions for the solutions of linear systems with random coefficients are obtained. The new class of \(G\)-estimates of the solutions for systems of linear algebraic equations with random coefficients, when the regularization matrices are ...
Girko, V. L., Babanin, A., Kurotschka, V.   +2 more
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