iterative solution methods for linear systems
báo cáo hóa học:" Research Article New Iterative Approximation Methods for a Countable Family of Nonexpansive Mappings in Banach Spaces" pot
... weakly continuous duality mapping The iterative methods for nonexpansive mappings have recently been applied to solve convex minimization problems; see, for example, 12–14 and the references ... Let U {x ∈ E : x E is said to uniformly convex if, for any ∈ 0, , there exists δ > such that, for any x, y ∈ U, x − y ≥ implies x y /2 ≤ − δ It is known that a uniformly convex Banach space is reflexive ... to be smooth if the limit limt → x ty − x /t exists for all x, y ∈ U It is also said to be uniformly smooth if the limit is attained uniformly for x, y ∈ U By a gauge function ϕ, we mean a continuous...
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Báo cáo hóa học: "Editorial Design Methods for DSP Systems" pdf
... existing methods In “Optimum wordlength search using sensitivity information,” K Han and B L Evans propose a fast algorithm for searching for an optimum wordlength by trading off hardware complexity for ... cascade filters for a WCDMA system”, Q.-T Ho et al present an FPGAbased implementation of a multiuser detector for WCDMA transmission systems They exploit a serial interference structure in form of a ... design system for signal processing, and also in the context of target platforms based on the StarCore DSP Retargetability to other algorithm development environments and target platforms is promising...
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báo cáo hóa học:" Research Article Iterative Methods for Finding Common Solution of Generalized Equilibrium Problems and Variational Inequality Problems and Fixed Point Problems of a Finite Family of Nonexpansive Mappings" pdf
... methods for generalized equilibrium problems and fixed point problems with applications,” Nonlinear Analysis: Theory, Methods & Applications, vol 72, no 1, pp 99–112, 2010 13 W Takahashi, Nonlinear ... mappings is of wide interdisciplinary interest and importance Many iterative methods are purposed for finding a common element of the solutions of the equilibrium problem and fixed point problem of ... n,j n,j 27 n,j α2 α3 and < η1 ≤ α1 ≤ θ1 < for all n ∈ N, for all j 1, 2, , N − 1, < ηN ≤ α1 n,j n,j n,N α1 ≤ and ≤ α2 , α3 ≤ θ3 < for all n ∈ N, for all j 1, 2, , N Let {xn }, {un }, {vn...
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Báo cáo toán học: "The Bounds on Components of the Solution for Consistent Linear Systems" pdf
... diagonally dominant L-matrix, and b = Then the solution of linear system (1) satisfies The Bounds on Components of the Solution for Consistent Linear Systems 95 d ≤ xi ≤ D, ∀i ∈ N Proof The result ... ∈ R and B is nonnegative It follows from Perron- The Bounds on Components of the Solution for Consistent Linear Systems 93 Frobenius Theorem on nonnegative matrices (e.g., see [1]) that there ... the above linear system and presented the following result, on which we make a slight modification Theorem 1.1 Let A be a nonsingular, diagonally dominant Z-matrix Then the solution of linear system...
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Preconditioners for iterative solutions of large scale linear systems arising from biots consolidation equations
... iterative methods and non-stationary iterative methods 2.1: Overview of Iterative Methods 2.1.1 12 Stationary Iterative Methods Stationary iterative methods are traditional methods for the solution ... Recent advances on solution methods of linear systems show that Krylov subspace iterative methods have greater potentials than direct solution methods for large-scale linear systems However, to ... Krylov iterative methods are applicable for different linear systems, Figure 2.1 gives the flowchart with suggestion for the selection of iterative methods For classical stationary iterative methods...
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Tài liệu Báo cáo " Fully parallel methods for a class of linear partial differential-algebraic equations " pptx
... and put ξ1 := Fully parallel methods for linear PDAEs In this section we study the numerical solution of the following initial boundary value problems (IBVPs) for linear PDAEs: Aut + B∆u = f (x, ... m+1,k + (1 − )v m d (18) Note that the linear systems (17) can be solved by any parallel iterative methods [5,6,7,8,9] Now we turn to the BVP (12)-(13) For its solution we implement the parallel ... Method for the Solution of Linear Parabolic Problems, Applied Mathematics Research Express No (2005) 117 [5] R.D da Cunha, T.R Hopkins, Parallel Over Relaxation Algorithms for Systems of Linear...
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Tài liệu Iterative Methods for Optimization doc
... graduate level course in numerical analysis, in particular direct and iterative methods for the solution of linear equations and linear least squares problems The material in texts such as [127] ... ©1999 by the Society for Industrial and Applied Mathematics This electronic version is for personal use and may not be duplicated or distributed ITERATIVE METHODS FOR OPTIMIZATION methods can fail ... the Society for Industrial and Applied Mathematics This electronic version is for personal use and may not be duplicated or distributed 18 ITERATIVE METHODS FOR OPTIMIZATION with forward differences...
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Báo cáo khoa học: "Optimal rank reduction for Linear Context-Free Rewriting Systems with Fan-Out Two" pot
... grammatical formalisms In Proceedings of the 25th Meeting of the Association for Computational Linguistics (ACL’87) Daniel Gildea 2010 Optimal parsing strategies for linear context-free rewriting systems ... edges for r is defined as Br = {(x, x′ ) | (x, x′ ) ∈ Er , x ≺p r.left, x′ ∈ r} The set of forward edges for r is defined symmetrically as Fr = {(x, x′ ) | (x, x′ ) ∈ Er , x ∈ r, r.right ≺p x′ } For ... Backward and local backward quantities for the expanded range can be expressed as a function of the same quantities for r Therefore if we store our quantities for previously processed ranges, each...
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Báo cáo khoa học: "Optimal Head-Driven Parsing Complexity for Linear Context-Free Rewriting Systems" docx
... Linguistics/Association for Computational Linguistics (COLING/ACL-06) Poster Session, pages 279–286 Daniel Gildea 2010 Optimal parsing strategies for Linear Context-Free Rewriting Systems In Proc 2010 ... well-nested linear context-free rewriting systems In Proc 2010 Meeting of the North American chapter of the Association for Computational Linguistics (NAACL-10), pages 276– 284, Los Angeles, California ... Giorgio Satta 2010 Optimal rank reı duction for linear context-free rewriting systems with fan-out two In Proc 48th Annual Meeting of the Association for Computational Linguistics, pages 525–533,...
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Báo cáo khoa học: "An Optimal-Time Binarization Algorithm for Linear Context-Free Rewriting Systems with Fan-Out Two" ppt
... of strings, defining the language of G Linear context-free rewriting systems We briefly summarize here the terminology and notation that we adopt for LCFRS; for detailed definitions, see (Vijay-Shanker ... non-negative integers by N For i, j ∈ N, the interval {k | i ≤ k ≤ j} is denoted by [i, j] We write [i] as a shorthand for [1, i] For an alphabet V , we write V ∗ for the set of all (finite) strings ... However, this algorithm works for a restricted typology of productions, and does not cover all cases in which some binarization is possible Other linear time algorithms for rank reduction are found...
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Báo cáo khoa học: "Iterative Scaling and Coordinate Descent Methods for Maximum Entropy" pdf
... closed-form solution of the sub-problem With the regularization term, the sub-problems no longer have a closed-form solution We discuss the cost of solving sub-problems by the Newton method, which iteratively ... but it does not perform well in the beginning Conclusions In summary, we create a general framework for explaining IS methods Based on this framework, we develop a new CD method for Maxent It is ... y) and Tw(x) This trick for updating Pw(y|x) has been used in SCGIS (Goodman, 2002) Thus, the first Newton iteration of all methods discussed here takes O(¯ operations For each subsequent l) Newton...
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compact numerical methods for computers linear algebra and function minimisation 2ed - adam hilger
... reliability over the methods for the general linear- equation problem Thirdly, in chapter it will be shown that the formation of AT A can lead to loss of information Techniques exist for the solution of ... exists a linear relationship between farm money income and the agricultural use of nitrogen, phosphate, potash and petroleum A model is therefore formulated using, for simplicity, a linear form (money ... p/(v cos φ ) for q > sin φ = sgn(p)[(v – q)/(2v ) ] cos φ = p/(υ sin φ ) ½ for q < (3.23) (3.24) (3.25) (3.26) where } sgn (p) = –1 for p > for p < (3.27) Note that having two forms for the calculation...
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direct methods for stability analysis of electric power systems theoretical foundation, bcu methodologies, and applications
... Direct Methods for Stability Analysis of Electric Power Systems ffirs.indd i 9/24/2010 2:20:04 PM ffirs.indd ii 9/24/2010 2:20:04 PM Direct Methods for Stability Analysis of Electric Power Systems ... Electric power systems are nonlinear in nature Their nonlinear behaviors are difficult to predict due to (1) the extraordinary size of the systems, (2) the nonlinearity in the systems, (3) the ... significant research efforts, for example, those documented in Choi (2006), CIGRE Task Force 38.02.05 (1990), He et al (2006), IEEE Task Force on Load Representation for Dynamic Performance (1993),...
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Báo cáo sinh học: " Stability criteria for linear Hamiltonian dynamic systems on time scales" potx
... of Lyapunov for linear Hamiltonian systems on time scales J Math Anal Appl 381, 695–705 (2011) [11] GSh Guseinov, B Kaymakcalan, Lyapunov inequalities for discrete linear Hamiltonian systems Comput ... Stability criteria for linear periodic Hamiltonian systems J Math Anal Appl 367, 329–336 (2010) [15] XH Tang, M Zhang, Lyapunov inequalities and stability for linear Hamiltonian systems J Diff Equ ... Agarwal, M Bohner, P Rehak, Half -linear dynamic equations Nonlinear Anal Appl 1, 1–56 (2003) [8] LQ Jiang, Z Zhou, Lyapunov inequality for linear Hamiltonian systems on time scales J Math Anal...
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Báo cáo toán học: " Strong convergence theorems and rate of convergence of multi-step iterative methods for continuous mappings on an arbitrary interval" pptx
... the iterative methods using for approximation of fixed points of nonlinear mappings, see for instance [1–7] However, there are only a few articles concerning comparison of those iterative methods ... general iterative method for a finite family of nonexpansive mappings Nonlinear Anal 66, 2676–2687 (2007) [23] Yao, Y, Noor, MA, Liou, Y-C: On iterative methods for equilibrium problems Nonlinear ... of those methods There are many iterative methods for finding a fixed point of g For example, the Mann iteration (see [1]) is defined by x1 ∈ E and xn+1 = (1 − αn )xn + αn g(xn ) (1.3) for all n...
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Báo cáo hóa học: " The modified general iterative methods for nonexpansive semigroups in banach spaces†" ppt
... limit limt→0 x+ty − x t exists for all x, y Î U It is also said to be uniformly smooth if the limit is attained uniformly for x, y Î U Now we collect some useful lemmas for proving the convergence ... Su, Y: General iterative methods for a one-parameter nonexpansive semigroup in Hilbert space Nonlinear Anal 70, 3065–3071 (2009) doi:10.1016/j.na.2008.04.007 16 Takahashi, W: Nonlinear Functional ... Inspired and motivated by the iterative (1.13) given above, we give the following modified general iterative scheme for a nonexpansive semigroup {T(t): t > 0}: for any {T(tn): tn > 0, n Î N}...
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báo cáo hóa học: " On the regularity of the solution for the second initial boundary value problem for hyperbolic systems in domains with conical points" pptx
... \{0}) for a.e t Î (0, ∞), and therefore, (4.19) holds for h - Now we prove the assertion of the theorem by induction on h Let us consider first the case h = We rewrite (2.6), (2.7) in the form ... non-smooth base Nonlinear Anal TMA 70, 741–756 (2009) doi:10.1016/j.na.2008.01.007 Kokotov, A, Plamenevskii, BA: On the asymptotic on solutions to the Neumann problem for hyperbolic systems in domain ... Cite this article as: Hung et al.: On the regularity of the solution for the second initial boundary value problem for hyperbolic systems in domains with conical points Boundary Value Problems...
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Báo cáo hóa học: " Research Article Resolvent Iterative Methods for Solving System of Extended General Variational Inclusions" potx
... alternative equivalent formulation is used to suggest and analyze some iterative methods for solving this system of extended general variational inclusions Several special cases of these iterative algorithms ... ∈ 0, for all n ≥ satisfies some suitable conditions For suitable and appropriate choice of the operators T1 , T2 , A, g, h, g1 and spaces, one can obtain a wide class of iterative methods for solving ... variational inequalities involving five different operators,” Nonlinear Analysis Forum, vol 15, pp 171–179, 2010 24 M A Noor, “On iterative methods for solving a system of mixed variational inequalities,”...
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