摘要
信赖域算法加入过滤技术可以加大试验点xk+被接受的几率.文章去除了信赖域子问题凸性的判断,同时对于信赖域半径采用自适应的选取办法,使信赖域半径与gk和Bk密切相关,以求对于信赖域算法的改进.
Trust-region methods join filter technology can increase the possibility of trial point x+k accepted.We leave out the judgement of the convexity of the trust-region subproblem,meanwhile use adaptive selection method,and make trust region radius closely related with gk and Bk in order to improve the traditional trust region algorithm.
出处
《太原师范学院学报(自然科学版)》
2011年第1期28-31,共4页
Journal of Taiyuan Normal University:Natural Science Edition
基金
山西省自然科学基金资助(20051009)
关键词
无约束
滤子
信赖域
自适应
unconstrained optimization
filter
trust-region methods
self-adapting