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检索条件"主题词=conjugate gradient algorithms"
26 条 记 录,以下是1-10 订阅
Eigenvalues versus singular values study in conjugate gradient algorithms for large-scale unconstrained optimization
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OPTIMIZATION METHODS & SOFTWARE 2017年 第3期32卷 534-551页
作者: Andrei, Neculai Res Inst Informat Ctr Adv Modeling & Optimizat 8-10 Averescu Ave Bucharest 1 Romania
Two different approaches based on eigenvalues and singular values of the matrix representing the search direction in conjugate gradient algorithms are considered. Using a special approximation of the inverse Hessian o... 详细信息
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Accelerated adaptive Perry conjugate gradient algorithms based on the self-scaling memoryless BFGS update
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2017年 325卷 149-164页
作者: Andrei, Neculai Ctr Adv Modeling & Optimizat Res Inst Informat 8-10 Averescu Ave Bucharest 1 Romania Acad Romanian Scientists Splaiul Independentei 54Sect 5 Bucharest Romania
An accelerated adaptive class of nonlinear conjugate gradient algorithms is suggested. The search direction in these algorithms is given by symmetrization of the scaled Perry conjugate gradient direction (Perry, 1978)... 详细信息
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Performance Analysis of conjugate gradient algorithms Applied to the Neuro-Fuzzy Feedback Linearization-Based Adaptive Control Paradigm for Multiple HVDC Links in AC/DC Power System
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ENERGIES 2017年 第6期10卷 819-819页
作者: Ahmad, Saghir Khan, Laiq COMSATS Inst Informat Technol Dept Elect Engn Abbottabad 22060 Pakistan
The existing literature predominantly concentrates on the utilization of the gradient descent algorithm for control systems' design in power systems for stability enhancement. In this paper, various flavors of the... 详细信息
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conjugate gradient-TYPE algorithms FOR A FINITE-ELEMENT DISCRETIZATION OF THE STOKES EQUATIONS
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JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 1992年 第1期39卷 23-37页
作者: HEUSSER, C UNIV ZURICH INST ANGEW MATHCH-8001 ZURICHSWITZERLAND
The discretization of the Stokes equations with the mini-element yields a linear system of equations whose system matrix is symmetric and indefinite. It has two symmetric blocks, one of which is positive definite, the... 详细信息
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GLOBAL CONVERGENCE RESULT FOR conjugate-gradient METHODS
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 1991年 第2期71卷 399-405页
作者: HU, YF STOREY, C 1. Department of Mathematical Sciences Loughborough University of Technology Loughborough Leicestershire England
conjugate gradient optimization algorithms depend on the search directions, s(1) = -g(1), s(k + 1) = -g(k + 1) + beta(k)s(k), k greater-than-or-equal-to 1, with different methods arising from different choices for the... 详细信息
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A SCALED conjugate-gradient ALGORITHM FOR FAST SUPERVISED LEARNING
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NEURAL NETWORKS 1993年 第4期6卷 525-533页
作者: MOLLER, MF University of Aarhus Denmark
A supervised learning algorithm (Scaled conjugate gradient, SCG) is introduced. The performance of SCG is benchmarked against that of the standard back propagation algorithm (BP) (Rumelhart, Hinton, & Williams, 19... 详细信息
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A Spectral RMIL plus conjugate gradient Method for Unconstrained Optimization With Applications in Portfolio Selection and Motion Control
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IEEE ACCESS 2021年 9卷 75398-75414页
作者: Awwal, Aliyu Muhammed Sulaiman, Ibrahim Mohammed Malik, Maulana Mamat, Mustafa Kumam, Poom Sitthithakerngkiet, Kanokwan King Mongkuts Univ Technol Thonburi KMUTT Ctr Excellence Theoret & Computat Sci TaCS CoE Fac Sci Bangkok 10140 Thailand Gombe State Univ Dept Math Fac Sci Gombe 760214 Nigeria Univ Sultan Zainal Abidin UniSZA Fac Informat & Comp Kuala Terengganu 22200 Malaysia Univ Indonesia UI Fac Math & Nat Sci Dept Math Depok 16424 Indonesia Univ Malaysia Perlis Inst Engn Math Arau 02600 Malaysia China Med Univ China Med Univ Hosp Dept Med Res Taichung 40402 Taiwan King Mongkuts Univ Technol North Bangkok KMUTNB Fac Appl Sci Dept Math Intelligent & Nonlinear Dynam Innovat Res Ctr Bangkok 10800 Thailand
The Spectral conjugate gradient (SCG) methods are among the efficient variants of CG algorithms which are obtained by combining the spectral gradient parameter and CG parameter. The success of SCG methods relies on ef... 详细信息
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A Dai-Liao conjugate gradient algorithm with clustering of eigenvalues
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NUMERICAL algorithms 2018年 第4期77卷 1273-1282页
作者: Andrei, Neculai Res Inst Informat Ctr Adv Modeling & Optimizat 8-10 Averescu Ave Bucharest 1 Romania Acad Romanian Scientists 54 Splaiul IndependenteiSect 5 Bucharest Romania
A new value for the parameter in Dai and Liao conjugate gradient algorithm is presented. This is based on the clustering of eigenvalues of the matrix which determine the search direction of this algorithm. This value ... 详细信息
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The constrained conjugate gradient algorithm
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IEEE SIGNAL PROCESSING LETTERS 2000年 第12期7卷 351-354页
作者: Apolinario, JA de Campos, MLR Bernal, CP Escuela Politecn Ejercito Fac Ingn Elect Sangolqui Ecuador Univ Fed Rio de Janeiro COPPE Program Engn Eletr BR-21945970 Rio De Janeiro Brazil
Based on the condition for equivalence between linearly constrained minimum-variance (LCMV) filters and their generalized sidelobe canceler (GSC) implementations, we derive the new constrained conjugate gradient (CCG)... 详细信息
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Classification of normal and abnormal electrogastrograms using multilayer feedforward neural networks
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MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING 1997年 第3期35卷 199-206页
作者: Lin, Z Maris, J Hermans, L Vandewalle, J Chen, JDZ BAPTIST MED CTR LYNN INST HEALTHCARE RESOKLAHOMA CITYOK 73112 UNIV VIRGINIA HLTH SCI CTRCHARLOTTESVILLEVA KATHOLIEKE UNIV LEUVEN DEPT ELECT ENGNESATB-3001 LOUVAINBELGIUM
A neural network approach is proposed for the automated classification of the normal and abnormal EGG. Two learning algorithms, the quasi-Newton and the scaled conjugate gradient method for the multilayer feedforward ... 详细信息
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