A Nonmonotone Weighting Self-Adaptive Trust Region Algorithm for Unconstrained Nonconvex Optimization

Yunlong Lu, Weiwei Yang, Wenyu Li, Xiaowei Jiang and Yueting Yang

Discrete Dynamics in Nature and Society, 2015, vol. 2015, 1-8

Abstract:

A new trust region method is presented, which combines nonmonotone line search technique, a self-adaptive update rule for the trust region radius, and the weighting technique for the ratio between the actual reduction and the predicted reduction. Under reasonable assumptions, the global convergence of the method is established for unconstrained nonconvex optimization. Numerical results show that the new method is efficient and robust for solving unconstrained optimization problems.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:825839

DOI: 10.1155/2015/825839

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