How to use a customized Loss function in a Shallow neural network

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Fabrizio Bernardi 2020-8-20

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回答： Srivardhan Gadila 2020-8-23

Hello everyone. There are very useful functions like trainlm and traingd to train a NN, but they all use MSE loss function as default. How can I change that with a function MyLossFunction that I build?

I searched a bit but I am finding basically solution to program all network, when the command train was very quicker. And even if I have to do step by step, I found how to build a network, do the forward propagation, create my Loss function, but I miss the backpropagation part.

Thank you for the attention

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Srivardhan Gadila 2020-8-23

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In case of Shallow Neural Networks you can refer to Custom Performance Function for Neural Networks Toolbox using +mse package & relevant MATLAB Answers.

If deep neural networks would help for your use case then you can refer to Define Custom Training Loops, Loss Functions, and Networks & Train Network Using Custom Training Loop

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