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A new Lorenz-like chaotic attractor is presented with some basic properties in terms of equilibria, eigenvalues of the Jacobian matrices, generalized Lorenz system (GLS), existence of the attractor, Lyapunov exponents and compound structures. Although the differential equations of the new system are quite different from those of the Lorenz system, and although they are not topological equivalent,...
A Marx generator is a well-known type of electrical circuit first described by Erwin Otto Marx in 1924. It has been utilized in numerous applications in pulsed power with resistive or capacitive loads. To-date the vast majority of research on Marx generators designed to drive capacitive loads relied on experimentation and circuit-level modeling to guide their designs. In this paper we describe how...
A heart-sound-like chaotic attractor is presented with some basic properties in terms of equilibria, eigenvalues of the Jacobian matrices, a dissipative system or an existence of the attractor and Lyapunov exponents. In the time domain, the appearance of the proposed chaotic signals resembles the conventional heart sound signals. As an example, synchronization between the new system and the well-known...
The Expectation-Maximization (EM) algorithm is one of the most popular algorithms for parameter estimation from incomplete data, but its convergence can be slow for some large-scale or complex problems. Extrapolation methods can effectively accelerate EM, but to ensure stability, the learning rate of extrapolation must be compromised. This paper describes the TJ2aEM method, a targeted extrapolation...
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