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检索条件"机构=State Key Laboratory of Scientific&Engineering Computing"
418 条 记 录,以下是91-100 订阅
排序:
On the comparisons of the multisplitting unsymmetric aor methods for M-matrices
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Calcolo 1995年 第3-4期32卷 207-220页
作者: Bai, Zhong-Zhi State Key Laboratory of Scientific/Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Chinese Academy of Sciences Beijing 100080 P.O. Box 2719 China
This paper reveals the inner links between two known frameworks of multisplitting relaxation methods as completely as possible. By meticulously investigating the specific structures of these two frameworks, the asympt... 详细信息
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A Restarted Conjugate Gradient Method for Ill-posed Problems
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Acta Mathematicae Applicatae Sinica 2003年 第1期19卷 31-40页
作者: Yan-fei Wanglaboratory of Remote Sensing Information Sciences, Institute of Remote Sensing Applications, Chinese Academy of Sciences, P.O. Box 9718, Beijing 100101, Chinastate key laboratory of scientific and engineering computing, Institute of Computational Mathematics and scientific/engineering computing, Chinese Academy of Sciences, P.O. Box 2719, Beijing 100080, China Laboratory of Remote Sensing Information Sciences Institute of Remote Sensing Applications Chinese Academy of Sciences Beijing China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering computing Chinese Academy of Sciences Beijing China
Abstract This paper presents a restarted conjugate gradient iterative algorithm for solving ill-posed problems. The damped Morozov's discrepancy principle is used as a stopping rule. Numerical experiments are give... 详细信息
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Numerical simulation of Richtmyer-Meshkov instability
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Science China Mathematics 2004年 第z1期47卷 234-244页
作者: FU Dexun, MA Yanwen, ZHANG Linbo & TIAN Baolinstate key laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China state key laboratory of scientific and engineering computing, Institute of Computational Mathematics, Chinese Academy of Sciences, Beijing 100080, China 1. State Key Laboratory of Nonlinear Mechanics Institute of Mechanics Chinese Academy of Sciences 100080 Beijing China2. State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics Chinese Academy of Sciences 100080 Beijing China
The compressible Navier-Stokes equations discretized with a fourth order accurate compact finite difference scheme with group velocity control are used to simulate the Richtmyer-Meshkov (R-M) instability problem produ... 详细信息
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Symplectic-energy-first integrators of discrete mechanico-electrical dynamical systems
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Chinese Physics B 2008年 第11期17卷 3942-3952页
作者: 傅景礼 陈本永 唐贻发 付昊 Institute of Mathematical Physics Zhejiang Sci-Tech University Faculty of Mechanical-Engineering & Automation Zhejiang Sci-Tech University State Key Laboratory of Scientific and Engineering Computing Chinese Academy of Sciences China Jingye Engineering Corporation Limited Shenzhen Brach
A discrete total variation calculus with variable time steps is presented for mechanico-electrical systems where there exist non-potential and dissipative forces. By using this discrete variation calculus, the symplec... 详细信息
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Some perspective on the Large Scale scientific Computation Research
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Science China Mathematics 2004年 第Z1期47卷 1-3页
作者: DU Qiang State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and System Sciences Chinese Academy of Sciences Beijing 100080China
  The "Large Scale scientific Computation (LSSC) Research"project is one of the state Major Basic Research projects funded by the Chinese Ministry of Science and Technology in the field ofinformation scien... 详细信息
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A trust region method based on a new affine scaling technique for simple bounded optimization
A trust region method based on a new affine scaling techniqu...
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作者: Wang, Xiao Yuan, Ya-Xiang State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Chinese Academy of Sciences PO Box 2719 Beijing 100190 China
In this paper, we propose a new trust region affine scaling method for nonlinear programming with simple bounds. Our new method is an interior-point trust region method with a new scaling technique. The scaling matrix... 详细信息
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A NONMONOTONE CONJUGATE GRADIENT ALGORITHM FOR UNCONSTRAINED OPTIMIZATION
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Journal of Systems Science & Complexity 2002年 第2期15卷 139-145页
作者: Dai Yuhong Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences State Key Laboratory of Scientific and Engineering Computing 北京 100080
Abstract. Conjugate gradient methods are very important methods for unconstrainedoptimization, especially for large scale problems. In this paper, we propose a new conjugategradient method, in which the technique of n... 详细信息
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High Order Mass-Lumping Finite Elements on Simplexes
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高等学校计算数学学报(英文版) 2017年 第2期10卷 331-350页
作者: Tao Cui Wei Leng Deng Lin Shichao Ma Linbo Zhang State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of SciencesNo.55 East Zhongguancun Road Beijing 100190 China State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of SciencesNo.55 East Zhongguancun Road Beijing 100190 China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049 China
This paper is concerned with the construction of high order mass-lumping finite elements on simplexes and a program for computing mass-lumping finite elements on triangles and *** polynomial spaces for mass-lumping fi... 详细信息
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Conjugate Gradient Methods with Armijo-type Line Searches
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Acta Mathematicae Applicatae Sinica 2002年 第1期18卷 123-130页
作者: Yu-Hong DAIstate key laboratory of scientific and engineering computing, Institute of Computational Mathematics, Academy of Mathematics and System Sciences, Chinese Academy of Sciences, Beijing 100080, China State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics Academy of Mathematics and System Sciences Chinese Academy of Sciences Beijing China
Two Armijo-type line searches are proposed in this paper for nonlinear conjugate gradient methods. Under these line searches, global convergence results are established for several famous conjugate gradient methods, i... 详细信息
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On the clean numerical simulation(CNS) of chaotic dynamic systems
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Journal of Hydrodynamics 2017年 第5期29卷 729-747页
作者: 廖世俊 State Key Laboratory of Ocean Engineering Shanghai Jiao Tong UniversityShanghai 200240China MOE Laboratory of Scientific and Engineering Computing Shanghai Jiao Tong UniversityShanghai 200240China School of Naval Architecture Ocean and Civil EngineeringShanghai Jiao Tong UniversityShanghai 200240China
According to Lorenz, chaotic dynamic systems have sensitive dependence on initial conditions(SDIC), i.e., the butterfly-effect: a tiny difference on initial conditions might lead to huge difference of computer-gene... 详细信息
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