neural network for function approximation

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noclah 2012-3-13

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https://ww2.mathworks.cn/matlabcentral/answers/32059-neural-network-for-function-approximation

Hello all, I'been working with EMG signals from four different muscles. Each signal is a vector of 60K data. I used wavelet packet transform to extract the features from these signals using a moving window, I got 31 features x 300 windows.

What can I do to select the best features? Once I have selected the features, how can I manage to create a network to fit a function, in this case the target is a signal also recorded during the data acquisition and is a 60k vector.

Thank you.