Quadrature Based Neural Network Learning of Stochastic Hamiltonian Systems
Xupeng Cheng,
Lijin Wang,
Yanzhao Cao
Abstract:Hamiltonian Neural Networks (HNNs) provide structure-preserving learning of Hamiltonian systems. In this paper, we extend HNNs to structure-preserving inversion of stochastic Hamiltonian systems (SHSs) from observational data. We propose the quadrature-based models according to the integral form of the SHSs’ solutions, where we denoise the loss-by-moment calculations of the solutions. The integral pattern of the models transforms the source of the essential learning error from the discrepancy between the modif… Show more
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