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research article

On the trajectory method for the reconstruction of differential equations from time series

Perona, Paolo  
•
Porporato, Amilcare
•
Ridolfi, Luca
2000
Nonlinear Dynamics

This work investigates the trajectory method [1] for the reconstruction of ordinary differential equations (ODEs) from time series. The potentials of the method are analyzed for dynamical systems described by second- and third-order ODEs, focusing in particular on the role of the parameters of the method and on the influence of the quality of the time series in terms of noise, length and sampling frequency. Typical models are investigated, such as the van der Pol, the linear mechanical, the Duffing and the Rossler equations, resulting in a robust and versatile method which is capable of allowing interesting applications to experimental cases. The method is then applied to the measured time series of a nonlinear mechanical oscillator, a typical velocity oscillation of the bursting phenomenon in near-wall turbulence and the averaged annual evolution of rainfall, temperature and streamflow over a hydrological basin.

  • Details
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Type
research article
DOI
10.1023/A:1008335507636
Author(s)
Perona, Paolo  
Porporato, Amilcare
Ridolfi, Luca
Date Issued

2000

Publisher

Springer Verlag

Published in
Nonlinear Dynamics
Volume

23

Start page

13

End page

33

Subjects

reconstruction of differential equations

•

trajectory method

•

nonlinear analysis of time series

•

Chaotic Data

•

Models

•

Systems

Editorial or Peer reviewed

REVIEWED

Written at

OTHER

EPFL units
AHEAD  
Available on Infoscience
June 28, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/51358
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