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Multilinear Dynamical Systems for Tensor Time Series
Neural Information Processing Systems
Data in the sciences frequently occur as sequences of multidimensional arrays called tensors. How can hidden, evolving trends in such data be extracted while preserving the tensor structure? The model that is traditionally used is the linear dynamical system (LDS) with Gaussian noise, which treats the latent state and observation at each time slice as a vector. We present the multilinear dynamical system (MLDS) for modeling tensor time series and an expectation-maximization (EM) algorithm todblp:conf/nips/RogersLR13 fatcat:dgrqc6ok7ffgjbodcoodgjd3xe