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Deep Learning with TensorFlow

You're reading from   Deep Learning with TensorFlow Explore neural networks with Python

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786469786
Length 320 pages
Edition 1st Edition
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Authors (4):
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Md. Rezaul Karim Md. Rezaul Karim
Author Profile Icon Md. Rezaul Karim
Md. Rezaul Karim
Ahmed Menshawy Ahmed Menshawy
Author Profile Icon Ahmed Menshawy
Ahmed Menshawy
Giancarlo Zaccone Giancarlo Zaccone
Author Profile Icon Giancarlo Zaccone
Giancarlo Zaccone
Fabrizio Milo Fabrizio Milo
Author Profile Icon Fabrizio Milo
Fabrizio Milo
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Toc

Table of Contents (11) Chapters Close

Preface 1. Getting Started with Deep Learning FREE CHAPTER 2. First Look at TensorFlow 3. Using TensorFlow on a Feed-Forward Neural Network 4. TensorFlow on a Convolutional Neural Network 5. Optimizing TensorFlow Autoencoders 6. Recurrent Neural Networks 7. GPU Computing 8. Advanced TensorFlow Programming 9. Advanced Multimedia Programming with TensorFlow 10. Reinforcement Learning

Basic concepts of Reinforcement Learning

Reinforcement Learning (RL) aims to create systems that will learn and, at the same time, adapt to changes in the environment in which they are located, using a reward that is assigned to each action performed.

Software systems that process information in this way are called intelligent agents.

These agents decide to take an action based on the following:

  • State of the system
  • Learning algorithm used

To change the system state and maximize its long term rewards, and agent selects the action to be performed by continuously monitoring its environment.

To obtain a large reward and, therefore, optimize the Reinforcement Learning procedure, the agent must prefer actions that, in the past, have produced a good reward.

The actions are discovered, proving those never selected first. Therefore, the agent must exploit what it already knows, both to obtain the maximum reward, and also...

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