Sparse regression reconstructs effective continuum PDEs that reproduce linear dispersion and nonlinear self-focusing and self-steepening of edge wavepackets in valley-Hall photonic lattices.
PySINDy: A Python pack- age for the sparse identification of nonlinear dynami- cal systems from data,
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Data-driven model reconstruction for nonlinear wave dynamics
Sparse regression reconstructs effective continuum PDEs that reproduce linear dispersion and nonlinear self-focusing and self-steepening of edge wavepackets in valley-Hall photonic lattices.