Extraction of instantaneous frequencies and amplitudes in nonstationary time-series data

1 code implementation • 3 Apr 2021 • Daniel E. Shea, Rajiv Giridharagopal, David S. Ginger, Steven L. Brunton, J. Nathan Kutz

Time-series analysis is critical for a diversity of applications in science and engineering.

Time Series Time Series Analysis

DeepGreen: Deep Learning of Green's Functions for Nonlinear Boundary Value Problems

1 code implementation • 31 Dec 2020 • Craig R. Gin, Daniel E. Shea, Steven L. Brunton, J. Nathan Kutz

We find that the method succeeds on a variety of nonlinear systems including nonlinear Helmholtz and Sturm--Liouville problems, nonlinear elasticity, and a 2D nonlinear Poisson equation.