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USING THE SKEW-SYMMETRIC ITERATIVE METHODS FOR SOLUTION OF AN INDEFINITE NONSYMMETRIC LINEAR SYSTEMS: 《Journal of Computational Mathematics》2014年第3期266-271,共6页B.L. Krukier L.A. Krukier; The concept of the field of value to localize the spectrum of the iteration matrices of the skew-symmetric iterative methods is further exploited. Obtained formulas are derived to relate the fields of values of the or...; 关键词：Skew-symmetric iterative methods Indefinite nonsymmetric linear systems.

PRECONDITIONING THE INCOMPRESSIBLE NAVIER-STOKES EQUATIONS WITH VARIABLE VISCOSITY被引量：1: 《Journal of Computational Mathematics》2012年第5期461-482,共22页Xin He Maya Neytcheva; This paper deals with preconditioners for the iterative solution of the discrete Oseen problem with variable viscosity. The motivation of this work originates from numerical simulations of multiphase flow, governed by...; 关键词：Navier-Stokes equations Saddle point systems Augmented Lagrangian FINITEELEMENTS Iterative methods Preconditioning.

ON ALGORITHMS FOR AUTOMATIC DEBLURRING FROM A SINGLE IMAGE被引量：1: 《Journal of Computational Mathematics》2012年第1期80-100,共21页Wei Wang Michael K.Ng; In this paper, we study two variational blind deblurring models for a single linage,The first model is to use the total variation prior in both image and blur, while the second model is to use the flame based prior in...; 关键词：Blind deconvolution Iterative methods Total variation Framelet Generalizedcross validation.

COMBINATION OF GLOBAL AND LOCAL APPROXIMATION SCHEMES FOR HARMONIC MAPS INTO SPHERES被引量：2: 《Journal of Computational Mathematics》2009年第2期170-183,共14页Sren Bartels; Supported by Deutsche Forschungsgemeinschaft through the DFG Research Center MATHEON‘Mathematics for key technologies’in Berlin;The authors wish to thank C.Melcher for pointing out the Example 4.1.; It is well understood that a good way to discretize a pointwise length constraint in partial differential equations or variational problems is to impose it at the nodes of a triangulation that defines a lowest order f...; 关键词：Harmonic maps Iterative methods Pointwise constraint

CONVERGENCE ANALYSIS ON ITERATIVE METHODS FOR SEMIDEFINITE SYSTEMS: 《Journal of Computational Mathematics》2008年第6期797-815,共19页Jinbiao Wu Young-Ju Lee Jinchao Xu Ludmil Zikatanov; NSFC 10501001;NSF-DMS 0753111;NSF DMS-0609727;NSF DMS-0749202;NSFC-10528102;NSF DMS-0511800;NSF DMS-0749202; The convergence analysis on the general iterative methods for the symmetric and positive semidefinite problems is presented in this paper. First, formulated are refined necessary and sumcient conditions for the energy...; 关键词：Semidefinite systems Subspace correction methods Iterative methods Energy norm convergence.

ON HERMITIAN POSITIVE DEFINITE SOLUTIONS OF MATRIX EQUATION X-A^＊X^-2 A=I被引量：1: 《Journal of Computational Mathematics》2005年第4期408-418,共11页Yu-hai Zhang; The Hermitian positive definite solutions of the matrix equation X-A^＊X^-2 A=I are studied. A theorem for existence of solutions is given for every complex matrix A. A solution in case A is normal is given. The basic...; 关键词：Matrix equation Positive definite solution Iterative methods

ITERATIVE METHODS FOR THE FORWARD-BACKWARD HEAT EQUATION被引量：2: 《Journal of Computational Mathematics》2005年第4期419-424,共6页Xiao-liang Cheng Jie Sun; The project was supported by National Science Foundation （Grant No. 10471129）.; In this paper we propose the finite difference method for the forward-backward heat equation. We use a coarse-mesh second-order central difference scheme at the middle line mesh points and derive the error estimate. T...; 关键词：Forward-backward heat equation Finite difference method Iterative method Coarse mesh

THIRD ORDER ITERATIVE METHODS WETHOUT USING SECOND FRECHET DERIVATIVE: 《Journal of Computational Mathematics》2004年第3期341-346,共6页SergioAmat SoniaBusquier VicenteCandela; A modification of classical third order methods is proposed. The main advantage of these methods is they do not need evaluate any second order Frechet derivative. A convergence theorem in Banach spaces is analyzed. Fi...

EXPERIMENTAL STUDY OF THE ASYNCHRONOUS MULTISPLITTING RELAXATION METHODS FOR THE LINEAR COMPLEMENTARITY PROBLEMS被引量：2: 《Journal of Computational Mathematics》2002年第6期561-574,共14页Zhong-zhi Bai(State Key Laboratory of Scientific/Engineering Computing, Institute of Computational Mathematicsand Scientific/Engineering Computing, Academy of Mathematics and System Sciences, ChineseAcademy of Sciences, Beijing 100080, China); the Special Funds for Major State Basic Research Projects G1999032803;Supported by the National Natural Science Foundation of China (19601036).; Presents a study of the numerical behaviors of the relaxed asynchronous multisplitting methods for linear complementarity problems by solving typical problems from practical applications on a real multiprocessor syste...; 关键词：linear complementarity problem matrix multisplitting asynchronous iterative methods numerical experiment

PARALLEL CHAOTIC MULTISPLITTING ITERATIVE METHODS FOR THE LARGE SPARSE LINEAR COMPLEMENTARITY PROBLEM被引量：3: 《Journal of Computational Mathematics》2001年第3期281-292,共12页Zhong-zhi Bai (State Key Laboratory of Scientific/Engineering Competing Institute of Computational Mathematics and Scientific/Engineering Computing, Academy of Mathematics and Systems Sciences, Chinese Academy of Sciences, Beijing 100080, China); the National Natural Science Foundation of China (19601036) and Subsidized by the SpecialFunds for Major State Basic Research; Focuses on a study which presented a parallel chaotic multisplitting method for solving the large sparse linear complementarity problem. Preliminaries of the study; Equations of the parallel chaotic multisplitting met...; 关键词：linear complementarity problem matrix multisplitting chaotic iteration relaxed method convergence property

ITERATIVE_METHODS