> We can consider the the discrete Fourier transform (DFT) to be an artificial neural network: it is a single layer network, with no bias, no activation functio

> We can consider the the discrete Fourier transform (DFT) to be an artificial neural network: it is a single layer network, with no bias, no activation function, and particular values for the weights. So this post essentially shows that the Fourier transform is a linear combination.