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PyLessons April 25, 2019
Deep Neural Networks step by step initialize

In the last tutorial series, we wrote 2 layers neural networks model, now it's time to build a deep neural network, where we could have whatever count of layers we want

PyLessons April 30, 2019
Deep Neural Networks forward propagation

Now when we have initialized our parameters, we will do the forward propagation module by implementing functions that we'll use when implementing the model.

PyLessons May 02, 2019
Deep Neural Networks backward propagation

Just like with the forward propagation, we'll implement helper functions for backpropagation and calculate the gradient of the loss function with respect to the parameters

PyLessons May 03, 2019
Deep Neural Networks Backward module

In this part, we will implement the backward function for the whole network and we will also update the parameters of the model, using gradient descent

PyLessons May 06, 2019
Deep Neural Networks Final Predict Model

In this tutorial, we will use the functions we had implemented in the previous parts to build a deep network and apply it to cat vs dog classification

PyLessons May 07, 2019
Deep Neural Networks Final Model parameters

Training neural network requires specifying an initial value of the weights. You'll see that a well-chosen initialization method could improve learning and accuracy

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