公开(公告)号：US11580280B2

公开(公告)日：2023-02-14

申请号：US16721588

申请日：2019-12-19

申请人： Lawrence Livermore National Security, LLC

发明人： Xiao Chen ,  Can Huang ,  Liang Min ,  Charanraj Thimmisetty ,  Charles Tong

IPC分类号： G06F30/27 ,  G06N7/00 ,  G06N20/00 ,  G06N7/01 ,  G06F111/10

摘要： Techniques, systems, and devices are described for providing a computational frame for estimating high-dimensional stochastic behaviors. In one exemplary aspect, a method for performing numerical estimation includes receiving a set of measurements of a stochastic behavior. The set of correlated measurements follows a non-standard probability distribution and is non-linearly correlated. Also, a non-linear relationship exists between a set of system variables that describes the stochastic behavior and a corresponding set of measurements. The method includes determining, based on the set of measurements, a numerical model of the stochastic behavior. The numerical model comprises a feature space comprising non-correlated features corresponding to the stochastic behavior. The non-correlated features have a dimensionality of M and the set of measurements has a dimensionality of N, M being smaller than N. The method includes generating a set of approximated system variables corresponding to the set of measurements based on the numerical model.