Results 11 to 20 of about 69,720 (262)
On the Approximation of Moments for Nonlinear Systems [PDF]
IEEE Transactions on Automatic Control, 2021 Model reduction by moment-matching relies upon the availability of the so-called moment . If the system is nonlinear, the computation of moments depends on an underlying specific invariance equation, which can be difficult or impossible to solve. This article presents four technical contributions related to the theory of moment matching: first, we ...
Nicolás Faedo +3 more
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The complexity of approximating a nonlinear program [PDF]
Mathematical Programming, 1993 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Mihir Bellare, Phillip Rogaway
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A nonlinear quantum adiabatic approximation [PDF]
Nonlinearity, 2020 Abstract This paper is devoted to a generalisation of the quantum adiabatic theorem to a nonlinear setting. We consider a Hamiltonian operator which depends on the time variable and on a finite number of parameters and acts on a separable Hilbert space of which we select a fixed basis.
Fermanian Kammerer, Clotilde +1 more
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Complexity, 2022 In this paper, some novel analytical and numerical techniques are introduced for solving and analyzing nonlinear second-order ordinary differential equations (ODEs) that are associated to some strongly nonlinear oscillators such as a quadratically damped
Alvaro H. Salas +3 more
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Results in Physics, 2021 The derivation of a nonlinear ordinary differential equation for modeling the nonlinear oscillations of a gas bubble placed in an ultrasonic field is performed in terms of bubble-volume variations up to the fourth-order approximation.
Christian Vanhille
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Nonlinear Approximation with Redundant Dictionaries [PDF]
Proceedings. (ICASSP '05). IEEE International Conference on Acoustics, Speech, and Signal Processing, 2005., 2006 In this paper we study nonlinear approximation and data representation with redundant function dictionaries. In particular, approximation with redundant wavelet bi-frame systems is studied in detail. Several results for orthonormal wavelets are generalized to the redundant case. In general, for a wavelet bi-frame system the approximation properties are
Borup, Lasse +2 more
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On the stability of a class of essentially nonlinear difference systems
Vestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2012 The problem of the zero solution stability for a certain class of essentially nonlinear difference systems is studied. Theorems on the stability by the inhomogeneous approximation are proved.
A. A. Sultanbekov
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Echo-State Restricted Boltzmann Machines: A Perspective on Information Compensation
IEEE Access, 2019 Feature learning has been introduced in the modeling of echo state networks (ESNs). However, the procedure of feature learning is generally accompanied by certain information loss.
Xiaochuan Sun +3 more
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Nonlinear quasi-normal modes: uniform approximation
Journal of High Energy Physics, 2023 Recent works have suggested that nonlinear (quadratic) effects in black hole perturbation theory may be important for describing a black hole ringdown.
Bruno Bucciotti +3 more
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The renewal equation in nonlinear approximation
Математичні Студії, 2021 The family of Markov processes are considered in the article. We study the multidimensional renewal equation in nonlinear approximation. The purpose of the work is to find the limit of renewal function.
O.A. Yarova, Ya.I. Yeleyko
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