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‎README.md

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<p align="center">
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<a href="https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/EA.jpg?raw=true" target="_blank">
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<img width="40%" src="https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/EA.jpg" style="max-width:100%;">
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</a>
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</p>
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---
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<br>
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# Evolutionary Algorithm Tutorials
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In these tutorials, we will use different method to demonstrate and visualize algorithms like Genetic Algorithm,
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Evolution Strategy, NEAT etc.
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All methods mentioned below have their video and text tutorial in Chinese. Visit [莫烦 Python](https://morvanzhou.github.io/tutorials/) for more.
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* [Genetic Algorithm](https://github.com/MorvanZhou/Evolutionary-Algorithm/tree/master/tutorial-contents/Genetic%20Algorithm)
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* [Basic GA](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Genetic%20Algorithm%20Basic.py)
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* [Match Phrase Example](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Match%20Phrase.py)
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* [Travel Sales Problem](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Travel%20Sales%20Person.py)
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* [Find Path Example](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Find%20Path.py)
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* [Evolution Strategy](https://github.com/MorvanZhou/Evolutionary-Algorithm/tree/master/tutorial-contents/Evolution%20Strategy)
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* [Basic ES](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Evolution%20Strategy/Evolution%20Strategy%20Basic.py)
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* [(1+1)-ES](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Evolution%20Strategy/(1%2B1)-ES.py)
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* [Natural Evolution Strategy (NES)](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Evolution%20Strategy/Natural%20Evolution%20Strategy%20(NES).py)
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* [Using Neural Nets](https://github.com/MorvanZhou/Evolutionary-Algorithm/tree/master/tutorial-contents/Using%20Neural%20Nets)
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* [NEAT for Supervised-Learning](https://github.com/MorvanZhou/Evolutionary-Algorithm/tree/master/tutorial-contents/Using%20Neural%20Nets/NEAT)
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* [NEAT for Reinforcement-Learning](https://github.com/MorvanZhou/Evolutionary-Algorithm/tree/master/tutorial-contents/Using%20Neural%20Nets/NEAT_gym)
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* [ES with Neural Net](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Using%20Neural%20Nets/Evolution%20Strategy%20with%20Neural%20Nets.py)
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### [Basic GA](https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Genetic%20Algorithm%20Basic.py)
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<a href="https://github.com/MorvanZhou/Evolutionary-Algorithm/blob/master/tutorial-contents/Genetic%20Algorithm/Genetic%20Algorithm%20Basic.py">
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<img class="course-image" src="/demo/ga.gif">
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</a>
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### [Classification](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/302_simple_classification.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/302_simple_classification.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/1-1-3.gif">
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</a>
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### [CNN](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/401_CNN.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/401_CNN.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/4-1-2.gif" >
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</a>
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### [RNN](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/403_RNN_regression.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/403_RNN_regression.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/4-3-1.gif" >
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</a>
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### [Autoencoder](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/404_AutoEncoder.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/404_AutoEncoder.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/4-4-1.gif" >
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</a>
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/404_AutoEncoder.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/4-4-2.gif" >
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</a>
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### [GAN (Generative Adversarial Nets)](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/406_GAN.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/406_GAN.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/4-6-1.gif" >
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</a>
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### [Dropout](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/501_dropout.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/501_dropout.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/5-3-1.gif" >
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</a>
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### [Batch Normalization](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/502_batch_normalization.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/502_batch_normalization.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/torch/5-4-2.gif" >
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</a>
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### [Visualize Gradient Descent](https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/503_visualize_gradient_descent.py)
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<a href="https://github.com/MorvanZhou/Tensorflow-Tutorial/blob/master/tutorial-contents/503_visualize_gradient_descent.py">
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<img class="course-image" src="https://morvanzhou.github.io/static/results/tensorflow/5_15_01.gif" >
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</a>
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# Donation
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*If this does help you, please consider donating to support me for better tutorials! Any contribution is greatly appreciated!*
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<div >
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<a href="https://www.paypal.com/cgi-bin/webscr?cmd=_donations&amp;business=morvanzhou%40gmail%2ecom&amp;lc=C2&amp;item_name=MorvanPython&amp;currency_code=AUD&amp;bn=PP%2dDonationsBF%3abtn_donateCC_LG%2egif%3aNonHosted">
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<img style="border-radius: 20px; box-shadow: 0px 0px 10px 1px #888888;"
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src="https://www.paypalobjects.com/webstatic/en_US/i/btn/png/silver-pill-paypal-44px.png"
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alt="Paypal"
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height="auto" ></a>
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</div>
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<div>
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<a href="https://www.patreon.com/morvan">
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<img src="https://morvanzhou.github.io/static/img/support/patreon.jpg"
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alt="Patreon"
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height=120>
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</a>
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</div>

‎demo/es.gif

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‎demo/find path.gif

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‎demo/ga.gif

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‎demo/mga.gif

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‎demo/nes.gif

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‎demo/tsp.gif

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‎tutorial-contents/Genetic Algorithm/Microbial Genetic Algorithm.py

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import numpy as np
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import matplotlib.pyplot as plt
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DNA_SIZE = 10 # DNA length
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DNA_SIZE = 10 # DNA length
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POP_SIZE = 20 # population size
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CROSS_RATE = 0.6 # mating probability (DNA crossover)
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MUTATION_RATE = 0.01 # mutation probability

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