Emergent Mind
The AAA framework for modeling linear dynamical systems with quadratic output
(2005.10316)
Published May 20, 2020
in
math.NA
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cs.NA
,
cs.SY
,
eess.SY
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and
math.DS
Abstract
We consider linear dynamical systems with quadratic output. We first define the two transfer functions, a single-variable and a multivariate one, that fully describe the dynamics of these special nonlinear systems. Then, using the samples of these two transfer functions, we extend the AAA algorithm to model linear systems with quadratic output from data.
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