Comment on “Perturbation Analysis of the Nonlinear Matrix Equation ” by Maher Berzig, Erdal Karapınar

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Spectral Techniques for Nonlinear System Analysis and Identification by Julius S. Bendat

“…This article reviews some recent and current research work with emphasis on new recommended spectral techniques that can analyze and identify the optimum linear and nonlinear system properties in a large class of single-input/single-output nonlinear models by using experimentally measured input/output random data. …”
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Solutions of Smooth Nonlinear Partial Differential Equations by Jan Harm van der Walt

“…As an indication of how the general theory can be applied to particular nonlinear equations, we construct generalized solutions of the parametrically driven, damped nonlinear Schrödinger equation in one spatial dimension.…”
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Theoretical and Computational Advances in Nonlinear Dynamical Systems by Zhi-Yuan Sun, Panayotis G. Kevrekidis, Xin Yu, K. Nakkeeran

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Hidden Attractors in Chaotic Systems with Nonlinear Functions by Safara Bibi, Juan Hugo García López, Rider Jaimes-reategui, Hafiz Muhammad Zeeshan, Guillermo Huerta-cuellar

“…In the present work, an interesting mini-review of hidden attractors in dynamical systems with associated nonlinear functions is carried out. Chaotic systems with nonlinear functions often possess hidden attractors due to their inherent complexity. …”
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Analytical Solutions for Nonlinear Dispersive Physical Model by Wen-Xiu Ma, Mohamed R. Ali, R. Sadat

“…The time FBBM equation is reduced to a nonlinear fractional ordinary differential equation (NLFODE) using its Lie symmetries. …”
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Network traffic nonlinear prediction combined with mutifractal by WANG Sheng-hui, QIU Zheng-ding

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Nonstationary Heat Equation with Nonlinear Side Condition by Tomas Belickas, Kristina Kaulakytė, Gintaras Puriuškis

Subjects: “…nonstationary heat equation, inverse problem, very weak solution, nonlinear side condition…”
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The Stability of Nonlinear Differential Systems with Random Parameters by Josef Diblík, Irada Dzhalladova, Miroslava Růžičková

“…The paper deals with nonlinear differential systems with random parameters in a general form. …”
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Gaussian Pyramid for Nonlinear Support Vector Machine by Rawan Abo Zidan, George Karraz

“…Despite its generalization capability, SVM is usually posed as a quadratic programming (QP) problem to find a separation hyperplane in nonlinear cases. This needs huge quantities of computational time and memory for large datasets, even for moderately sized ones. …”
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THE PROBLEM OF OPENNESS OF THE SYSTEM OF SOCIAL MORALITY by V. V. Nadurak

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Dynamic Performance of Concrete Considering Initial Stresses and Creep by S. Yu. Savin, M. Z. Sharipov

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A Simple Solution and Dilatancy Characterization for a Circular Tunnel Excavated in the Nonlinear Strain-Softening and Nonlinear Dilatancy Rock Mass by Xiuling Wang

“…This solution allows for the description of the intermediate principal stress effect, the nonlinear strain-softening and dilatancy behaviors of the rock mass. …”
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Exploring the thermal-induced optical nonlinearity of crude oil via spatial self-phase modulation technique by Moein Golestanifar, Mohammad Ali Haddad, Amir Namiq Hassan, Kianoush Pakravan

Subjects: “…Nonlinear optics…”
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Upper and lower bounds for the blow-up time of a fourth-order parabolic equation with exponential nonlinearity by Shuting Chang, Yaojun Ye

“…This paper investigated the blow-up properties of solutions to the initial value problem for a fourth-order nonlinear parabolic equation with an exponential source term. …”
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Positive Solutions for a Weakly Singular Hadamard-Type Fractional Differential Equation with Changing-Sign Nonlinearity by Xinguang Zhang, Lixin Yu, Jiqiang Jiang, Yonghong Wu, Yujun Cui

“…The interesting points are that the nonlinearity can be singular at the second and third variables and be changing-sign.…”
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A Synchronous Machine Transient Model Based upon an Algebraic Loop Accounting for Nonlinearity and Cross-Magnetization by R. Felicetti, U. Lundin

“…The purpose of this paper is to carry out an alternative to the present transient models for field wound synchronous machines, which is able to take into account the nonlinearity of the magnetic materials as well as the cross-magnetization. …”
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Multiplicity Results for p-Laplacian with Critical Nonlinearity of Concave-Convex Type and Sign-Changing Weight Functions by Tsing-San Hsu

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Haar Wavelet Method for Nonlinear Vibration of Functionally Graded CNT-Reinforced Composite Beams Resting on Nonlinear Elastic Foundations in Thermal Environment by Jianyu Fan, Jin Huang

“…This paper presents a simple and effective approach based on the Haar wavelet discretization method (HWDM) for the nonlinear vibration analysis of carbon nanotube-reinforced composite (CNTRC) beams resting on a nonlinear elastic foundation in a thermal environment. …”
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Nonlinear Vibration Analysis of Submerged Floating Tunnel Tether by Sheng-nan Sun, Zhi-bin Su, Yun-fen Feng

“…To study the nonlinear vibration characteristics of submerged floating tunnel tether, the nonlinear vibration partial differential equation of tether is set up, in which the inclination, sag, initial tension force, and length of tether are taken into account. …”
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