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The Rucklidge system

23/05/2009
  • The Rucklidge system [1]
\[$ \left\{ \begin{array}{l} \dot{x} = y \\[0.1cm] \dot{y} = -\lambda x + \kappa y -xz \\[0.1cm] \dot{z} = -z + x^2 \end{array} \right. $\]


is a Lorenz-like system but with quite specific observability features. The behavior proposed for this challenge corresponds to parameters \(XALATEXI0X\) and \(XALATEXI1X\).

Fig. 1 : Chaotic "Lorenz" attractor solution to the Rucklidge system.
Data set for the Rucklidge dynamics.

A 100,000 data-points time series with the three variables is available here.

The observability coefficients for the Rucklidge system are
\(XALATEXI2X\),
\(XALATEXI3X\),
\(XALATEXI4X\), that is,
the dynamical variables can be ranked as

\(XALATEXI5X\) .

[1A. M. Rucklidge, Chaos in models of double convection, Journal of Fluid Mechanics, 237, 209-229, 1992.

Documents

Data set for the Rucklidge dynamics.
Zip · 1.4 Mio

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