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检索条件"主题词=Unconstrained Optimization Problem"
42 条 记 录,以下是11-20 订阅
排序:
A new nonmonotone line search technique for unconstrained optimization
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2008年 第1期219卷 134-144页
作者: Yu, Zhensheng Pu, Dingguo Shanghai Univ Sci & Technol Coll Sci Shanghai 200093 Peoples R China Tongji Univ Dept Appl Math Shanghai 200092 Peoples R China
In this paper, we propose a new nonmonotone line search technique for unconstrained optimization problems. By using this new technique. we establish the global convergence under conditions weaker than those of the exi... 详细信息
来源: 评论
Congestion and environmental toll schemes for the morning commute with heterogeneous users and parallel routes
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TRANSPORTATION RESEARCH PART B-METHODOLOGICAL 2019年 129卷 305-333页
作者: Long, Jiancheng Szeto, W. Y. Hefei Univ Technol Sch Automot & Transportat Engn Hefei 230009 Anhui Peoples R China Univ Hong Kong Dept Civil Engn Pokfulam Rd Hong Kong Peoples R China
We design a congestion and environmental toll (CET) scheme for the morning commute with heterogeneous users in a single OD network with parallel routes. The designed toll scheme relies upon the concept of marginal-cos... 详细信息
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Gap functions and global error bounds for set-valued variational inequalities
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2010年 第11期233卷 2956-2965页
作者: Fan Jianghua Wang Xiaoguo Guangxi Normal Univ Guilin 541004 Guangxi Peoples R China
The set-valued variational inequality problem is very useful in economics theory and nonsmooth optimization. In this paper, we introduce some gap functions for set-valued variational inequality problems under suitable... 详细信息
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An efficient new hybrid CG-method as convex combination of DY and CD and HS algorithms
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RAIRO-OPERATIONS RESEARCH 2022年 第6期56卷 4047-4056页
作者: Hallal, Amina Belloufi, Mohammed Sellami, Badreddine Mohamed Cherif Messaadia Univ Dept Math & Informat Lab Informat & Math LiM Souk Ahras Algeria
In this paper, we proposed a new hybrid conjugate gradient algorithm for solving unconstrained optimization problems as a convex combination of the Dai-Yuan algorithm, conjugate-descent algorithm, and Hestenes-Stiefel... 详细信息
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A unifying approach to constrained and unconstrained optimal reinsurance
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2019年 360卷 1-17页
作者: Huang, Yuxia Yin, Chuancun Qufu Normal Univ Sch Stat Jining 273165 Shandong Peoples R China
In this paper, we study two classes of optimal reinsurance models from perspectives of both insurers and reinsurers by minimizing their convex combination of the total losses where the risk is measured by a distortion... 详细信息
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An iterative calculation method for hanger tensions and the cable shape of a suspension bridge based on the catenary theory and finite element method
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ADVANCES IN STRUCTURAL ENGINEERING 2019年 第7期22卷 1566-1578页
作者: Zhang, Wen-ming Li, Tao Shi, Lu-yao Liu, Zhao Qian, Kai-rui Southeast Univ Minist Educ Key Lab Concrete & Prestressed Concrete Struct Nanjing 211189 Jiangsu Peoples R China
Construction of suspension bridges and their structural analysis are challenged by the presence of elements (chains or main cables) capable of large deflections leading to a geometric nonlinearity. For an accurate pre... 详细信息
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Adjustment of the scaling parameter of Dai-Kou type conjugate gradient methods with application to motion control
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APPLICATIONS OF MATHEMATICS 2024年 第6期69卷 829-845页
作者: Akbari, Mahbube Nezhadhosein, Saeed Heydari, Aghile Payame Noor Univ Dept Math Nakhl StLashkarak Highway Tehran 193954697 Iran
We introduce a new scaling parameter for the Dai-Kou family of conjugate gradient algorithms (2013), which is one of the most numerically efficient methods for unconstrained optimization. The suggested parameter is ba... 详细信息
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ALGORITHMS FOR SOLVING unconstrained optimization problemS
ALGORITHMS FOR SOLVING UNCONSTRAINED OPTIMIZATION PROBLEMS
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International Copmputer Conference on Wavelet Active Miedia Technology and Information Processing
作者: PING KUANG QIN-MIN ZHAO ZHEN-YU XIE School of Information and Software Engineering University of Electronic Science and Technology of China Chengdu 611731
The computational method of unconstrained optimization problem is an important research topic in the field of numerical computation. It is of great significance to solve the problem of unconstrained optimization. Ther... 详细信息
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Equivalent unconstrained minimization and global error bounds for variational inequality problems
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SIAM JOURNAL ON CONTROL AND optimization 1997年 第1期35卷 273-284页
作者: Yamashita, N Fukushima, M Dept. of Appl. Math. and Physics Graduate School of Engineering Kyoto University Kyoto 606-01 Japan
New merit functions for variational inequality problems are constructed through the Moreau-Yosida regularization of some gap functions. The proposed merit functions constitute unconstrained optimization problems equiv... 详细信息
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Conjugate gradient methods using value of objective function for unconstrained optimization
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optimization LETTERS 2012年 第5期6卷 941-955页
作者: Iiduka, Hideaki Narushima, Yasushi Kyushu Inst Technol Network Design Res Ctr Chiyoda Ku Tokyo 1000011 Japan Fukushima Natl Coll Technol Dept Commun & Informat Sci Iwaki Fukushima 9708034 Japan
Conjugate gradient methods have been widely used as schemes to solve large-scale unconstrained optimization problems. The search directions for the conventional methods are defined by using the gradient of the objecti... 详细信息
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