DOI: 10.36347/sjet

Pages: 586-590

Recently, non-monotone technique attracts the attention of many scholars and there are various articles about this subject. The non-monotone line search technique performs well especially in the case of the bottom of a curved narrow valley, which is a common occurrence in nonlinear problems. The purpose of this paper is to discuss the main developments of non-monotone techniques used in trust region algorithms for unconstrained optimization