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Numerical Gradient Checking

I recently remade my own personal Java neural network framework, mainly for educational purpose. And by trial and error with simple cases, it definitely¬†was learning! So all good!… Right?!? The Subtle errors Backpropagation can be arduous to implement…

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Understanding Backpropagation.

For me, backpropagation has always been the holy grail of Artificial Neural Network (ANN) training, but until recently my only way of training an ANN was with genetic algorithms, which is something I will hopefully cover in another…

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