Corpus ID: 225062466

Sparse identification of nonlinear dynamics with low-dimensionalized flow representations

@article{Fukami2020SparseIO,
  title={Sparse identification of nonlinear dynamics with low-dimensionalized flow representations},
  author={Kai Fukami and Takaaki Murata and K. Fukagata},
  journal={arXiv: Fluid Dynamics},
  year={2020}
}
We perform a sparse identification of nonlinear dynamics (SINDy) for low-dimensionalized complex flow phenomena. We first consider four optimization methods of regression process to investigate influence on the parameter choice for the present method: the thresholded least square algorithm (TLSA), the least absolute shrinkage and selection operator (Lasso), the elastic net (Enet), and the adaptive Lasso (Alasso), respectively. To examine abilities of SINDy with the regression methods, the van… Expand

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