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检索条件"机构=State Key Laboratory of Scientific&Engineering Computing"
420 条 记 录,以下是171-180 订阅
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Fast algorithm for beamforming problems in distributed communication of relay networks
Fast algorithm for beamforming problems in distributed commu...
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International Conference on Acoustics, Speech, and Signal Processing (ICASSP)
作者: Cong Sun Yaxiang Yuan State Key Laboratory of Scientific and Engineering Computing ICMSEC AMSS Chinese Academy and Sciences Beijing China
A sequential quadratic programming (SQP) method is pro posed to solve the distributed beamforming problem in multiple relay networks. The problem is formulated as the minimization of the total relay transmit power, su... 详细信息
来源: 评论
A New Fully Polynomial Time Approximation Scheme for the Interval Subset Sum Problem
arXiv
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arXiv 2017年
作者: Diao, Rui Liu, Ya-Feng Dai, Yu-Hong State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing100190 China
The interval subset sum problem (ISSP) is a generalization of the well-known subset sum problem. Given a set of intervals {[ai,1, ai,2]}ni=1 and a target integer T, the ISSP is to find a set of integers, at most one f... 详细信息
来源: 评论
Elastic Full Waveform Inversion Based on the Trust Region Strategy
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American Journal of Computational Mathematics 2021年 第4期11卷 241-266页
作者: Wensheng Zhang Yijun Li State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences Beijing China School of Mathematical Sciences University of Chinese Academy Sciences Beijing China
In this paper, we investigate the elastic wave full-waveform inversion (FWI) based on the trust region method. The FWI is an optimization problem of minimizing the misfit between the observed data and simulated data. ... 详细信息
来源: 评论
Energy Stable Nodal DG Methods for Maxwell’s Equations of Mixed-Order Form in Nonlinear Optical Media
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Communications on Applied Mathematics and Computation 2024年 第1期6卷 30-63页
作者: Maohui Lyu Vrushali A.Bokil Yingda Cheng Fengyan Li State Key Laboratory of Scientific and Engineering Computing(LSEC) Academy of Mathematics and System SciencesChinese Academy of SciencesBeijing100190China Department of Mathematics College of ScienceOregon State UniversityCorvallisOR97331USA Department of Mathematics Michigan State UniversityEast LansingMI48824USA Department of Computational Mathematics Science and EngineeringMichigan State UniversityEast LansingMI48824USA Department of Mathematical Sciences Rensselaer Polytechnic InstituteTroyNY12180USA
In this work,we develop energy stable numerical methods to simulate electromagnetic waves propagating in optical media where the media responses include the linear Lorentz dispersion,the instantaneous nonlinear cubic ... 详细信息
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OPTIMIZATION ON PRODUCT MANIFOLDS UNDER A PRECONDITIONED METRIC
arXiv
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arXiv 2023年
作者: Gao, Bin Peng, Renfeng Yuan, Ya-Xiang State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences China State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences University of Chinese Academy of Sciences China
Since optimization on Riemannian manifolds relies on the chosen metric, it is appealing to know that how the performance of a Riemannian optimization method varies with different metrics and how to exquisitely constru... 详细信息
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A penalty-free infeasible approach for a class of nonsmooth optimization problems over the Stiefel manifold
arXiv
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arXiv 2021年
作者: Xiao, Nachuan Liu, Xin Yuan, Ya-Xiang State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences University of Chinese Academy of Sciences China State Key Laboratory of Scientific and Engineering Computing Academy of Mathematics and Systems Science Chinese Academy of Sciences China
Transforming into an exact penalty function model with convex compact constraints yields efficient infeasible approaches for optimization problems with orthogonality constraints. For smooth and 2,1-norm regularized ca... 详细信息
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A Smoothing Levenberg-Marquardt Type Method for NCP
A Smoothing Levenberg-Marquardt Type Method for NCP
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第四届运筹学及其应用国际研讨会
作者: Ju-Liang Zhang State Key Laboratory of Science and Engineering Computing Institute of Computational Mathematics and Scientific/Engineering ComputingAcademy of Mathematics and System SciencesChinese Academy of Sciences
<正>In this paper,we convert the nonlinear complementarity problems to an equivalent smooth nonlinear equation system by using smoothing technique. Then we use Levenberg-Marquardt type method to solve the nonlinear ... 详细信息
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Car-Parinello molecular dynamics simulations of thionitroxide and S-nitrosothiol in the gas phase,methanol,and water——A theoretical study of S-nitrosylation
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中国科学:化学 2012年 第10期42卷 1497-1498页
作者: LIANG Juan1,CHENG ShangLi1,HOU JunWei1,XU ZhenHao1,2 & ZHAO Yi-Lei1,2,3* 1 state key laboratory of Microbial Metabolism,School of Life Sciences and Biotechnology,Shanghai Jiao Tong University,Shanghai 200240,China 2 Shanghai Center for Systems Biomedicine,Shanghai Jiao Tong University,Shanghai 200240,China 3 MOE laboratory of scientific and engineering computing,Shanghai Jiao Tong University,Shanghai 200240,China State Key Laboratory of Microbial Metabolism School of Life Sciences and Biotechnology Shanghai Jiao Tong University Shanghai 200240 China Shanghai Center for Systems Biomedicine Shanghai Jiao Tong University Shanghai 200240 China MOE Laboratory of Scientific and Engineering Computing Shanghai Jiao Tong University Shanghai 200240 China
A dilemma about whether thionitroxide radical(RSNHO) or S-nitrosothiol(RSNO) is observed in protein S-nitrosylation has arisen *** illustrate the effect of chemical environment on these structures,this paper presents ... 详细信息
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Flexible alignment of images using B-spline reparameterization and L2-gradient flows
Flexible alignment of images using B-spline reparameterizati...
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Congress on Image and Signal Processing, CISP
作者: Guoliang Xu Yanmei Zheng State Key Laboratory of Scientific and Engineering Computing Institute of Computational Mathematics Chinese Academy and Sciences Beijing China
In this paper, we present a new flexible alignment method to align two or more similar images. By minimizing an energy functional measuring the difference of the initial image and target image, a L 2 -gradient flow is... 详细信息
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Adaptive energy-preserving algorithms for guiding center system
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Plasma Science and Technology 2023年 第4期25卷 11-22页
作者: 朱贝贝 刘健 张嘉炜 祝爱卿 唐贻发 Department of Applied Mathematics School of Mathematics and PhysicsUniversity of Science and Technology BeijingBeijing 100083Peopleʼs Republic of China School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026Peopleʼs Republic of China Advanced algorithm Joint Lab Shandong Computer Science CenterQilu University of TechnologyJinan 250014Peopleʼs Republic of China The State Key Laboratory of Scientific and Engineering Computing The Institute of Computational Mathematics and Scientific/Engineering ComputingAcademy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190Peopleʼs Republic of China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049Peopleʼs Republic of China
We develop two types of adaptive energy preserving algorithms based on the averaged vector field for the guiding center dynamics,which plays a key role in magnetized *** adaptive scheme is applied to the Gauss Legendr... 详细信息
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