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Elementary Analysis of Policy Gradient Methods
April 5, 2024, 4:42 a.m. | Jiacai Liu, Wenye Li, Ke Wei
cs.LG updates on arXiv.org arxiv.org
Abstract: Projected policy gradient under the simplex parameterization, policy gradient and natural policy gradient under the softmax parameterization, are fundamental algorithms in reinforcement learning. There have been a flurry of recent activities in studying these algorithms from the theoretical aspect. Despite this, their convergence behavior is still not fully understood, even given the access to exact policy evaluations. In this paper, we focus on the discounted MDP setting and conduct a systematic study of the aforementioned …
abstract algorithms analysis arxiv behavior convergence cs.lg elementary gradient math.oc natural policy reinforcement reinforcement learning softmax studying type
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