Imperial College London

Luca Magri

Faculty of EngineeringDepartment of Aeronautics

Professor of Scientific Machine Learning
 
 
 
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Contact

 

l.magri Website

 
 
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Location

 

CAGB324City and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Racca:2021,
author = {Racca, A and Magri, L},
title = {Automatic-differentiated Physics-Informed Echo State Network (API-ESN)},
url = {http://arxiv.org/abs/2101.00002v2},
year = {2021}
}

RIS format (EndNote, RefMan)

TY  - JOUR
AB - We propose the Automatic-differentiated Physics-Informed Echo State Network (API-ESN). The network is constrained by the physical equations through the reservoir’s exact time-derivative, which is computed by automatic differentiation. As compared to the original Physics-Informed Echo State Network, the accuracy of the time-derivative is increased by up to seven orders of magnitude. This increased accuracy is key in chaotic dynamical systems, where errors grows exponentially in time. The network is showcased in the reconstruction of unmeasured (hidden) states of a chaotic system. The API-ESN eliminates a source of error, which is present in existing physics-informed echo state networks, in the computation of the time-derivative. This opens up new possibilities for an accurate reconstruction of chaotic dynamical states.
AU - Racca,A
AU - Magri,L
PY - 2021///
TI - Automatic-differentiated Physics-Informed Echo State Network (API-ESN)
UR - http://arxiv.org/abs/2101.00002v2
ER -