Search Results - "Linear complexity algorithms"

Out-of-band quasiseparable matrices

Authors: Yuli Eidelman Israel Gohberg

Source: Linear Algebra and its Applications. 429:266-289

Subject Terms: Numerical Analysis, Algebra and Number Theory, Linear complexity algorithms, Discrete Mathematics and Combinatorics, Geometry and Topology, 0101 mathematics, Structured matrices, 01 natural sciences, Quasiseparable matrices

Access URL: https://www.sciencedirect.com/science/article/abs/pii/S0024379508001092
https://core.ac.uk/display/82333513
https://www.sciencedirect.com/science/article/pii/S0024379508001092

A modification of the Dewilde–van der Veen method for inversion of finite structured matrices: A modification of the Dewilde-van der Veen method for inversion of finite structured matrices

Authors: Israel Gohberg Yuli Eidelman

Source: Linear Algebra and its Applications. :419-450

Subject Terms: Numerical Analysis, Algebra and Number Theory, Inversion algorithms, Linear complexity algorithms, structured matrices, Direct numerical methods for linear systems and matrix inversion, complexity analysis, 01 natural sciences, Factorization of matrices, matrix inversion, factorization, Discrete Mathematics and Combinatorics, Factorization algorithms, Theory of matrix inversion and generalized inverses, Geometry and Topology, 0101 mathematics, numerical experiments, Structured matrices, Solution of linear equations, system of linear equations

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Access URL: https://www.sciencedirect.com/science/article/pii/S0024379501003639
https://www.sciencedirect.com/science/article/abs/pii/S0024379501003639

Structural and computational properties of possibly singular semiseparable matrices

Authors: D. FASINO GEMIGNANI, LUCA

Source: Linear Algebra and its Applications. 340:183-198

Subject Terms: Semiseparable matrices, Numerical Analysis, Numerical solutions to overdetermined systems, pseudoinverses, Algebra and Number Theory, Linear complexity algorithms, Block tridiagonal matrices, semiseparable matrices, Direct numerical methods for linear systems and matrix inversion, rank profile, 01 natural sciences, Computational methods for sparse matrices, Discrete Mathematics and Combinatorics, characteristic polynomial, Geometry and Topology, block diagonal matrices, 0101 mathematics, sparse perturbation, reflexive generalized inverse

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Access URL: https://zbmath.org/1708958
https://doi.org/10.1016/s0024-3795(01)00404-9
https://www.sciencedirect.com/science/article/pii/S0024379501004049
https://arpi.unipi.it/handle/11568/70990
https://hdl.handle.net/11390/686291
https://hdl.handle.net/11568/70990