Transcription of Chapter 3: The Reinforcement Learning Problem An …
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CSE 190: Reinforcement Learning :An IntroductionAcknowledgment:Acknowledgmen t:A good number of these slidesA good number of these slides are cribbed from Rich Suttonare cribbed from Rich Sutton22 CSE 190: Reinforcement Learning , LectureCSE 190: Reinforcement Learning , Lecture 22 Chapter 3: The ReinforcementLearning ProblemObjectives of what I will talk about from this Chapter : describe the RL Problem we will be studying for theremainder of the course present idealized form of the RL Problem for which wehave precise theoretical results; introduce key components of the mathematics: valuefunctions and Bellman equations; describe trade-offs between applicability and 190: Reinforcement Learning , LectureCSE 190: Reinforcement Learning , Lecture 22 Chapter 3: The ReinforcementLearning ProblemObjectives of what I will talk about from this Chapter : describe the RL Problem we will be studying for theremainder of the course present idealized form of the RL Problem for which wehave precise theoretical results; introduce key components of the mathematics: valuefunctions and Bellman equations; describe trade-offs between applicability and 190: Reinforcement Learning , LectureCSE 190: Reinforcement Learning , Lecture 22 The Agent-Environment Interface Agent and environment interact at discrete time steps: t=0,1,2,K Agent observes state at step t: st!
CSE 190: Reinforcement Learning, Lecture25 Policy at step t,! t: a mapping from states to action probabilities! t(s,a)= probability that a t=a when s t=s The Agent Learns a Policy •Reinforcement learning methods specify how the agent changes its policy as a result of experience.
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190: Reinforcement Learning: An, 190: Reinforcement Learning: An Introduction, Reinforcement learning, Brief Introduction to Reinforcement Learning, REINFORCEMENT LEARNING: AN INTRODUCTION, Introduction, Reinforcement Learning and Control, Learning, Introduction to reinforcement learning, Reinforcement Learning. Richard S. Sutton