Fourier Weak SINDy learns ODE coefficients from noisy time series by regressing Fourier coefficients that are selected via multitaper spectral density estimation, beating SINDy baselines on chaotic benchmarks.
arXiv:2301.12649 , year=
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Fourier Weak SINDy: Spectral Test Function Selection for Robust Model Identification
Fourier Weak SINDy learns ODE coefficients from noisy time series by regressing Fourier coefficients that are selected via multitaper spectral density estimation, beating SINDy baselines on chaotic benchmarks.