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math.OC2019
An Improved Gradient Method with Approximately Optimal Stepsize Based on Conic model for Unconstrained Optimization
Zexian Liu, Hongwei Liu
A new type of stepsize, which was recently introduced by Liu and Liu (Optimization, 67(3), 427-440, 2018), is called approximately optimal stepsize and is quit efficient for gradie…
math.OC2019
Two efficient gradient methods with approximately optimal stepsizes based on regularization models for unconstrained optimization
Zexian Liu, Wangli Chu, Hongwei Liu
It is widely accepted that the stepsize is of great significance to gradient method. Two efficient gradient methods with approximately optimal stepsizes mainly based on regularizat…