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Sparse Identification of Nonlinear Dynamical Systems

Overview:

This is a python implementation of the SYNDy algorithm introduced by Brunton et al. of University of Washington, Seattle. See paper.pdf for the details of the method. You can also watch a presentation of it here.

The algorithm is used to identify governing equations for nonlinear systems for which we have data, but no mathematical model.

Files:

demo.ipynb

A jupyter notebook showing an example of deducing a math model purely from data.

SINDy.py

This file includes all the implementation details of the algorithm as well as a demo example in the main method.

SIR.py

Implementation of the classical SIR model which is used as an example to demonstrate how SYNDy works.

paper.py

The PNAS publication introducing the algorithm.

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