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无约束优化问题的一种改进的共轭梯度法

A New Conjugate Gradient Method for Unconstrained Optimization Problems
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摘要 共轭梯度法是求解大规模约束问题的有效算法,的选取不同构成不同的共轭梯度法,由此通过修正提出了求解无约束优化问题的一种改进的共轭梯度法,并在wolf线搜索下证明了它的全局收敛性。 In the ordinary circumstances, conjugate gradient method is the effective algorithm which solves the large-scale restraint question, different Selection of constructs different conjugate gradiont method. We propose a new conjugate gradient method for unconstrained optimization problems by update and prove that method with wolf line search converges globally.
出处 《经济研究导刊》 2008年第13期227-228,共2页 Economic Research Guide
基金 国家自然科学基金项目(405720781D0206) 教育部重点实验室开放基金项目(KLETOR0608) 湖北省教育厅重点项目(D200512001)
关键词 无约束优化问题 共轭梯度法 wolf线搜索 全局收敛性 unconstrained optimization problem conjugate gradient melhod woff line searc global convergence
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