Benettin algorithm

E695942

The Benettin algorithm is a numerical method used in dynamical systems theory to estimate Lyapunov exponents, which quantify the rate of separation of nearby trajectories and indicate chaos.

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Benettin algorithm canonical 2

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Predicate Object
instanceOf algorithm in dynamical systems theory ⓘ
method for computing Lyapunov exponents ⓘ
numerical algorithm ⓘ
alternativeTo QR-decomposition Lyapunov methods ⓘ
Wolf algorithm for Lyapunov exponents ⓘ
appliesTo continuous-time dynamical systems ⓘ
discrete-time dynamical systems ⓘ
assumes existence of Lyapunov exponents ⓘ
smoothness of the dynamical system ⓘ
basedOn evolution of tangent vectors along trajectories ⓘ
linearization of the flow around a trajectory ⓘ
canCompute spectrum of Lyapunov exponents ⓘ
category computational method in chaos analysis ⓘ
computes maximal Lyapunov exponent ⓘ
developedBy Giancarlo Benettin ⓘ
field chaos theory ⓘ
dynamical systems ⓘ
nonlinear dynamics ⓘ
hasKeyStep accumulation of growth rates of perturbation norms ⓘ
integration of the reference trajectory ⓘ
periodic renormalization of perturbation vectors ⓘ
simultaneous integration of perturbation vectors ⓘ
hasProperty iterative ⓘ
numerically intensive ⓘ
sensitive to integration accuracy ⓘ
involves logarithmic averaging of perturbation growth ⓘ
long-time integration to reach asymptotic regime ⓘ
output numerical estimates of Lyapunov exponents ⓘ
relatedTo Gram–Schmidt orthonormalization ⓘ
Lyapunov characteristic exponents ⓘ
linked to: Lyapunov exponents

Oseledec multiplicative ergodic theorem ⓘ
linked to: Oseledets theorem

QR-based Lyapunov exponent algorithms ⓘ
requires Gram–Schmidt orthonormalization for multiple exponents ⓘ
choice of initial perturbation vectors ⓘ
numerical integration of the system equations ⓘ
timePeriod late 1970s ⓘ
usedFor characterizing chaos in dynamical systems ⓘ
detecting sensitive dependence on initial conditions ⓘ
estimating Lyapunov exponents ⓘ
quantifying the rate of separation of nearby trajectories ⓘ
usedIn analysis of strange attractors ⓘ
celestial mechanics ⓘ
chaos detection in nonlinear dynamical systems ⓘ
climate and atmospheric models ⓘ
engineering control systems ⓘ
study of Hamiltonian chaos ⓘ

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Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Lyapunov exponents → computedBy → Benettin algorithm ⓘ
Lyapunov vector → computedBy → Benettin algorithm ⓘ