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- By using active set strategy, the authors need only to solve a reduced trust region subproblem which is solved inexactly by the truncated conjugate gradient method. 作者利用有效集策略,在每次迭代中只需求解一个低维的信赖域子问题,该信赖域子问题是通过截断共轭梯度法来近似求解的。
- The algorithm combines trust region method and interior technique. 算法运用了信赖域方法和内点技术。
- In this paper, the authors present a trust region method for nonlinear system. 摘要该文给出了一个求解非线性系统的信赖域方法。
- This paper mainly discusses the conic trust region subproblem which is a key problem in conic trust region method. 在锥模型信赖域方法中,解锥模型信赖域子问题是关键,因此本文主要研究锥模型信赖域子问题及求解方法。
- Dennis J E ,Li S B , Tapia R A.A unified approach to global convergence of trust region method for nonsmooth optimization\[J \] .Math Prog. 欧宜贵;侯定丕.;无约束非光滑优化的信赖域算法\\[J\\]
- In this thesis, we consider some topics about the nonmonotone trust region method for unconstrained minimization problems. 本文主要讨论了求解无约束极小化问题的非单调信赖域方法的相关论题。
- Zhang et. al. [26] also proposed an adaptive trust region method, in which the trust region radius depends on the gradient and Hessian of the current iterate point. 章祥荪等在文[26]中也给出了一种自适应信赖域算法,它利用当前迭代点的梯度和海赛阵信息来选取当前迭代步的信赖域半径。
- In chapter 2, we mainly consider the application of filter technique to uncon-straint optimization problem, while taking trust region method as basic algorithm framework. 第2章中,我们主要考虑过滤技术在无约束优化问题中的应用,并采用信赖域方法作为基本算法。
- For the quasi-Newton type trust region method based on the conic model solving unconstrained optimization, horizon vector of the conic medel is proposed, the unique optimal parameter is determined and the numerical results are given in this paper. 摘要对于求解无约束优化问题的锥模型拟牛顿型信赖域方法,本文主要讨论了水平向量的选取及最优参数的确定,并给出了数值试验结果。
- Recently Zhang et. al. [1] proposed a new trust region method called adaptive trust region method, in which the trust region radius depends on the gradient and Hessian of the current iterate point. 最近章祥荪等在文[1]中给出了一种自适应信赖域算法,利用当前迭代点的梯度和海赛阵信息来选取当前迭代步的信赖域半径,数值试验表明,该方法比一般的信赖域方法有效。
- New Trust Region Method for Line Search 一个新的线搜索信赖域方法
- Some properties of the optimal path of trust region methods are shown, and the relationship between dogleg path and optimal path is analysed.This can be used to derive better approximate algorithms for solving trust region subproblems. 本文描述了信赖域方法最优曲线在二维子空间内投影的几个性质,分析了几种信赖域折线法与该投影的关系,为推导更好的求解信赖域子问题的折线近似提供理论依据.
- A Nonmonotone Trust Region Method with Fixed Stepsize 带有固定步长的非单调信赖域方法
- An Active-set Trust Region Method for Nonlinear System 求解非线性系统的有效集信赖域方法
- The optimality conditions are given and a road identification method based on active set algorithm is proposed. 给出了二次规划问题的最优性条件并提出了一种基于有效集算法的道路识别方法。
- Self- trust Region Method for System of Nonlinear Equations and its Convergence 求解非线性方程组问题的自适应信赖域方法
- On algorithm aspect, we gave an incomplated active set method for linear complementary constrains problems, which reduced the constrained set of its subproblems. 在算法方面,对带线性互补约束的优化问题给出了一个不完全积极集解法,减小了子问题的约束集合。
- The following example returns the active SET options for the current connection. 以下示例返回当前连接的活动SET选项。
- ON THE CONVERGENCE OF A TRUST REGION METHOD FOR GENERAL CONSTRAINED OPTIMIZATION WITHOUT REGULAR CONDITION 一个无正则条件下一般约束最优化问题的信赖域算法的收敛性
- A value held by an operating system that indicates how much primary storage a process is likely to require for its active set during a particular phase of processing. 在特定的处理阶段,为了建立某个进程,操作系统提供的主存储器容量的数值。