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Hands-On Neuroevolution with Python

You're reading from   Hands-On Neuroevolution with Python Build high-performing artificial neural network architectures using neuroevolution-based algorithms

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Product type Paperback
Published in Dec 2019
Publisher Packt
ISBN-13 9781838824914
Length 368 pages
Edition 1st Edition
Languages
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Author (1):
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Iaroslav Omelianenko Iaroslav Omelianenko
Author Profile Icon Iaroslav Omelianenko
Iaroslav Omelianenko
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Table of Contents (18) Chapters Close

Preface 1. Section 1: Fundamentals of Evolutionary Computation Algorithms and Neuroevolution Methods FREE CHAPTER
2. Overview of Neuroevolution Methods 3. Python Libraries and Environment Setup 4. Section 2: Applying Neuroevolution Methods to Solve Classic Computer Science Problems
5. Using NEAT for XOR Solver Optimization 6. Pole-Balancing Experiments 7. Autonomous Maze Navigation 8. Novelty Search Optimization Method 9. Section 3: Advanced Neuroevolution Methods
10. Hypercube-Based NEAT for Visual Discrimination 11. ES-HyperNEAT and the Retina Problem 12. Co-Evolution and the SAFE Method 13. Deep Neuroevolution 14. Section 4: Discussion and Concluding Remarks
15. Best Practices, Tips, and Tricks 16. Concluding Remarks 17. Other Books You May Enjoy

Running the experiment with a hard-to-solve maze configuration

The next experiment in this chapter is to run the neuroevolution process to find an agent that can solve a maze with a more complex configuration of walls. This hard-to-solve maze configuration introduces powerful local fitness optima traps and does not have a straightforward route from the start position of the agent to the exit area of the maze. You can see the maze configuration in the following diagram:

The hard-to-solve maze configuration

The maze configuration has its start position in the bottom-left corner, marked with a green circle, and the position of the maze exit point is in the top-left corner, marked with a red circle. You can see that, to solve the maze, the navigator agent must develop a complex control strategy that allows it to avoid the local fitness optima traps around the starting point. The...

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