Search Results - "Sprott, J.C."

Using Rate of Divergence as an Objective Measure to Differentiate between Voice Signal Types Based on the Amount of Disorder in the Signal by Calawerts, William M, Lin, Liyu, Sprott, J.C, Jiang, Jack J

“…Summary Objective/Hypothesis The purpose of this paper is to introduce the rate of divergence as an objective measure to differentiate between the four voice…”
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Simple chaotic flows with a line equilibrium by Jafari, Sajad, Sprott, J.C.

“…Using a systematic computer search, nine simple chaotic flows with quadratic nonlinearities were found that have the unusual feature of having a line…”
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Elementary quadratic chaotic flows with a single non-hyperbolic equilibrium by Wei, Zhouchao, Sprott, J.C., Chen, Huai

“…•A kind of jerk equations are proposed.•Chaos can occur with all types of a non-hyperbolic equilibrium.•The mechanism of generating chaos is…”
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Chaotic flows with a single nonquadratic term by Li, Chunbiao, Sprott, J.C.

“…This paper addresses a previously unexplored regime of three-dimensional dissipative chaotic flows in which all but one of the nonlinearities are quadratic…”
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Comment on “A hidden chaotic attractor in the classical Lorenz system” by Sprott, J.C., Munmuangsaen, Buncha

“…•We comment on the recent report of a hidden attractor in the classical Lorenz system.•The reported system gives a chaotic transient instead of sustained…”
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A simple chaotic delay differential equation by Sprott, J.C.

“…The simplest chaotic delay differential equation with a sinusoidal nonlinearity is described, including the route to chaos, Lyapunov exponent spectrum, and…”
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A chaotic circuit based on a physical memristor by Minati, L., Gambuzza, L.V., Thio, W.J., Sprott, J.C., Frasca, M.

“…•A fully autonomous chaotic circuit based on a physical memristor is here introduced.•Chaos is experimentally observed consistently over different specimen of…”
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Elementary quadratic chaotic flows with no equilibria by Jafari, Sajad, Sprott, J.C., Hashemi Golpayegani, S. Mohammad Reza

“…Three methods are used to produce a catalog of seventeen elementary three-dimensional chaotic flows with quadratic nonlinearities that have the unusual feature…”
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A dynamical system with a strange attractor and invariant tori by Sprott, J.C.

“…This paper describes a simple three-dimensional time-reversible system of ODEs with quadratic nonlinearities and the unusual property that it is exhibits…”
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Modeling of epilepsy based on chaotic artificial neural network by Panahi, Shirin, Aram, Zainab, Jafari, Sajad, Ma, Jun, Sprott, J.C.

“…•A behavioral model is proposed according to physiological facts about epilepsy and chaos.•This model suggests different valuable predictions about possible…”
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Erratum to: “Simple chaotic flows with a line equilibrium” [Chaos, Solitons and Fractals 57 (2013) 79–84] by Jafari, Sajad, Sprott, J.C.

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Bistability in a hyperchaotic system with a line equilibrium by Li, Chunbiao, Sprott, J. C., Thio, Wesley

“…A hyperchaotic system with an infinite line of equilibrium points is described. A criterion is proposed for quantifying the hyperchaos, and the position in the…”
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Evaluating Lyapunov exponent spectra with neural networks by Maus, A., Sprott, J.C.

“…•Cross-correlation is employed to remove spurious Lyapunov exponents from a spectrum.•Neural networks are shown to accurately model Lyapunov exponent…”
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A chaotic system with a single unstable node by Sprott, J.C., Jafari, Sajad, Pham, Viet-Thanh, Hosseini, Zahra Sadat

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Chaos in fractional-order autonomous nonlinear systems by Ahmad, Wajdi M., Sprott, J.C.

“…We numerically investigate chaotic behavior in autonomous nonlinear models of fractional order. Linear transfer function approximations of the fractional…”
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Generalization of the simplest autonomous chaotic system by Munmuangsaen, Buncha, Srisuchinwong, Banlue, Sprott, J.C.

“…An extensive numerical search of jerk systems of the form x⃛+x¨+x=f(x˙) revealed many cases with chaotic solutions in addition to the one with f(x˙)=±x˙2 that…”
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NARX prediction of some rare chaotic flows: Recurrent fuzzy functions approach by Goudarzi, Sobhan, Jafari, Sajad, Moradi, Mohammad Hassan, Sprott, J.C.

“…The nonlinear and dynamic accommodating capability of time domain models makes them a useful representation of chaotic time series for analysis, modeling and…”
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Chaotic hyperjerk systems by Chlouverakis, Konstantinos E., Sprott, J.C.

“…A hyperjerk system is a dynamical system governed by an nth order ordinary differential equation with n > 3 describing the time evolution of a single scalar…”
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A chaotic model of migraine headache considering the dynamical transitions of this cyclic disease by Bayani, A., Jafari, S., Sprott, J. C., Hatef, B.

“…Migraine is one of the primary headache disorders in a group of the ten most prevalent and disabling diseases. There are some valuable computational models of…”
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A chaotic model of sustaining attention problem in attention deficit disorder by Baghdadi, G., Jafari, S., Sprott, J.C., Towhidkhah, F., Hashemi Golpayegani, M.R.

“…•Based on chaos intermittency a model for attention deficit disorder (ADD) is proposed.•This model reveals dopamine has important role in sustaining the…”
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