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浏览/检索结果: 共4条，第1-4条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Bounded perturbation resilience of projected scaled gradient methods 其他 2016-01-01 Jin, Wenma; Censor, Yair; Jiang, Ming 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Convex minimization problems  Proximity function  Projected scaled gradient  Superiorization  Bounded perturbation resilience  LINEAR COMPLEMENTARITY-PROBLEM  ITERATIVE IMAGE-RECONSTRUCTION  MATRIX SPLITTING ALGORITHM  EM ALGORITHM  OPTIMIZATION PROBLEMS  FEASIBILITY PROBLEMS  CONVERGENCE ANALYSIS  CONVEX-OPTIMIZATION  DESCENT METHODS  LEAST-SQUARES   Application of the restrained optimal perturbation method to study the backward heat conduction problem 期刊论文 applied mathematics and computation, 2013 Wang, Bo; Zou, Guang-an; Wang, Qiang 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/11 Backward heat conduction problem  The restrained optimal perturbation method  Spectral projected gradient algorithm  Finite difference approximation  Numerical experiments  FINITE-AMPLITUDE PERTURBATIONS  NONLINEAR OPTIMAL PERTURBATION  PROJECTED GRADIENT METHODS  BOUNDARY-ELEMENT METHOD  UNKNOWN SOURCE-TERM  NUMERICAL-SOLUTION  INVERSE PROBLEM  CONVEX-SETS  EQUATION  SENSITIVITY   Gradient methods with adaptive step-sizes 其他 2006-01-01 Zhou, Bin; Gao, Li; Dai, Yu-Hong 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/10 linear system  gradient method  adaptive step-size  Barzilai-Borwein method  superlinear behavior  trust-region approach  SPECTRAL PROJECTED GRADIENT  LINE SEARCH TECHNIQUE  CONVEX-SETS  BARZILAI  OPTIMIZATION  RETARDS   Monotone projected gradient methods for large-scale box-constrained quadratic programming 其他 2006-01-01 Zhou Bin; Gao Li; Dai Yuhong 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 projected gradients  monotone gradient methods  box-constrained quadratic programming  large-scale problems  UNCONSTRAINED TESTING ENVIRONMENT  BARZILAI