Activation functions (Sigmoid, Leaky ReLU, Tanh) for Machine Learning with python

Machine learning Video series :
This video shows how to create python-functions for defining Activation functions and use them in Machine Learning program.  

First 30 sec of the video is summary with 10x speed, and the full tutorial starts @30 sec.

Machine learning videos:
V1= Very Basic Math needed for Machine le...
V2=Machine Learning: Visualizing trainin...

py code:
https://github.com/yasser64b/Machine-...

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