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The Reinforcement Learning Workshop

The Reinforcement Learning Workshop

By : Alessandro Palmas , Emanuele Ghelfi , Dr. Alexandra Galina Petre , Mayur Kulkarni , Anand N.S. , Quan Nguyen , Aritra Sen , Anthony So , Saikat Basak
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The Reinforcement Learning Workshop

The Reinforcement Learning Workshop

4.7 (7)
By: Alessandro Palmas , Emanuele Ghelfi , Dr. Alexandra Galina Petre , Mayur Kulkarni , Anand N.S. , Quan Nguyen , Aritra Sen , Anthony So , Saikat Basak

Overview of this book

Various intelligent applications such as video games, inventory management software, warehouse robots, and translation tools use reinforcement learning (RL) to make decisions and perform actions that maximize the probability of the desired outcome. This book will help you to get to grips with the techniques and the algorithms for implementing RL in your machine learning models. Starting with an introduction to RL, youÔÇÖll be guided through different RL environments and frameworks. YouÔÇÖll learn how to implement your own custom environments and use OpenAI baselines to run RL algorithms. Once youÔÇÖve explored classic RL techniques such as Dynamic Programming, Monte Carlo, and TD Learning, youÔÇÖll understand when to apply the different deep learning methods in RL and advance to deep Q-learning. The book will even help you understand the different stages of machine-based problem-solving by using DARQN on a popular video game Breakout. Finally, youÔÇÖll find out when to use a policy-based method to tackle an RL problem. By the end of The Reinforcement Learning Workshop, youÔÇÖll be equipped with the knowledge and skills needed to solve challenging problems using reinforcement learning.
Table of Contents (14 chapters)
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Preface
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2
2. Markov Decision Processes and Bellman Equations

Problems with Gradient-Based Methods

In this section, you will learn about the differences between value-based and policy-based methods and the use of gradient-based methods in policy search algorithms. You will then examine the advantages and disadvantages of using gradient-based methods in policy-based approaches and implement stochastic gradient descent using TensorFlow to solve a cubic function with two unknowns.

There are two approaches when doing RL: value-based and policy-based. These approaches are used to solve complex decision problems related to Markov Decision Processes (MDPs) and Partially Observable Markov Decision Processes (POMDPs). Value-based approaches rely on identifying and deriving the optimal policy based on the identification of the optimal value function. Algorithms such as Q-learning or SARSA(λ) are included within this category, and for tasks involving lookup tables, their implementation leads to convergence on a return that is optimal, globally...

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The Reinforcement Learning Workshop
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