Poster
in
Workshop: Bridging the Gap Between Practice and Theory in Deep Learning
Analytical Solution of Three-layer Network with Matrix Exponential Activation Function
Kuo Gai · Shihua Zhang
Abstract:
It's known that in practice deeper networks tends to be more powerful than shallow one, but this has not been understood theoretically. In this paper, we find the analytical solution of a three-layer network with matrix exponential activation function, i.e., f(X)=W_3\exp(W_2\exp(W_1X)), X\in \mathbb{C}^{d\times d}have analytical solutions for the equationsfor with only invertible assumptions. Our proof shows the power of depth and the use of non-linear activation function, since one layer network can only solve one equation,i.e.,.
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