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Gradient evaluation for neural-networks-based electromagnetic optimization procedures

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2 Author(s)
Antonini, G. ; Dept. of Electr. Eng., Univ. of l''Aquila, Italy ; Orlandi, A.

This paper extends the use of a neural network (NN) approximating a function, to the evaluation of the gradient of the same function. This is done without any extra training of the network. The evaluation of the function's gradient is used in NN-based optimization procedures in order to speed up the convergence and to maintain the overall accuracy

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:48 ,  Issue: 5 )