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相关论文: Presenting a new method for the solution of nonlin…

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We introduce a generalizable approach that combines perturbation method and one-shot transfer learning to solve nonlinear ODEs with a single polynomial term, using Physics-Informed Neural Networks (PINNs). Our method transforms non-linear…

机器学习 · 计算机科学 2023-11-28 Wanzhou Lei , Pavlos Protopapas , Joy Parikh

The linearization of nonlinear systems is an important digital enhancement technique. In this paper, a real-time capable post- and pre-linearization method for the widely applicable time-varying discrete-time Volterra series is presented.…

系统与控制 · 计算机科学 2014-04-24 Matthias Hotz , Christian Vogel

In this work, we introduce the new class of functions which can use to solve the nonlinear/linear multi-dimensional differential equations. Based on these functions, a numerical method is provided which is called the Developed Lagrange…

数值分析 · 数学 2019-04-30 Mehdi Delkhosh , Kourosh Parand , Amir H. Hadian-Rasanan

One of old methods for finding exact solutions of nonlinear differential equations is considered. Modifications of the method are discussed. Application of the method is illustrated for finding exact solutions of the Fisher equation and…

可精确求解与可积系统 · 物理学 2015-05-30 Nikolai A. Kudryashov

This paper investigates fuzzy nonlinear system equations using an optimization approach. Here, the inner-outer direct search technique is used with fuzzy coefficients and vectors to quantify the uncertain solution. The fuzzy nonlinear…

最优化与控制 · 数学 2022-06-02 Paresh Kumar Panigrahi , Sukanta Nayak , Sudipta Priyadarshini

This paper is part of a series of papers in which the asymptotic theory and appropriate symbolic computer code are developed to compute the asymptotic expansion of the solution of an n-th order ordinary differential equation. The paper…

谱理论 · 数学 2025-10-20 B. M. Brown , M. S. P. Eastham , D. K. R. McCormack

We present a novel direct transcription method to solve optimization problems subject to nonlinear differential and inequality constraints. We prove convergence of our numerical method under reasonably mild assumptions: boundedness and…

最优化与控制 · 数学 2021-04-09 Martin P. Neuenhofen , Eric C. Kerrigan

In this work, we study some models of scalar fields in 1+1 dimensions with non-linear self-interactions. Here, we show how it is possible to extend the solutions recently reported in the literature for some classes of nonlinear equations…

可精确求解与可积系统 · 物理学 2010-02-25 A. de Souza Dutra , M. Hott , Filipe F. Bellotti

This paper features and elaborates recent developments and modifications in asymptotic techniques in solving differential equation in non linear dynamics. These methods are proved to be powerful to solve weakly as well as strongly non…

数学物理 · 物理学 2016-08-17 R. Dutta

In this work, we implement a relatively new analytical technique, the Improved Amplitude-Frequency Formulation (IAFF) method, approach for solving accurate approximate analytical solutions for strong nonlinear oscillators, which may contain…

动力系统 · 数学 2021-10-05 R. Azami , D. D. Ganji , A. G. Davodi , H. Babazadeh

This paper mainly investigates the analytic solutions for the approximation of $p$-Laplacian problem. Through an approximation mechanism, we convert the nonlinear partial differential equation with Dirichlet boundary into a sequence of…

最优化与控制 · 数学 2016-08-11 Xiaojun Lu , Xiaofen Lv

In this article a modified Levenberg-Marquardt method coupled with a Kaczmarz strategy for obtaining stable solutions of nonlinear systems of ill-posed operator equations is investigated. We show that the proposed method is a convergent…

数值分析 · 数学 2020-11-20 J. Baumeister , B. Kaltenbacher , A. Leitao

In this paper, we propose some algorithms for analytical solution construction to nonlinear polynomial partial differential equations with constant function coefficients. These schemes are based on one-(single), two- (double) or three-…

数学物理 · 物理学 2011-10-04 Mahouton Norbert Hounkonnou , Pascal Alain Dkengne Sielenou

In this paper, we acquire the soliton solutions of the nonlinear Schrodinger's equation with dual power-law nonlinearity. Primiraly, we use the extended trial equation method to find exact solutions of this equation. Then, we attain some…

数学物理 · 物理学 2016-06-29 Hasan Bulut , Yusuf Pandir , Seyma Tuluce Demiray

We propose a collocation method based on multivariate polynomial splines over triangulation or tetrahedralization for the numerical solution of partial differential equations. We start with a detailed explanation of the method for the…

数值分析 · 数学 2023-04-18 Ming-Jun Lai , Jinsil Lee

The Hilfer fractional derivative generalizes and interpolates between the commonly used Riemann-Liouville and Caputo fractional derivative. In general, solutions to Hilfer fractional derivative initial value problems are singular for $t…

数值分析 · 数学 2025-12-19 Niels Goedegebure , Kateryna Marynets

In this paper, approximate analytical solutions of nonlinear Emden-Fowler type equations are obtained by the differential transform method (DTM). The DTM is a numerical as well as analytical method for solving integral equations, ordinary…

数学物理 · 物理学 2012-11-16 Birol Ibis

We develop a novel method for finding bifurcations for nonlinear systems of equations based on directly finding bifurcations through saddle points of extended quotients. The method is applied to find the saddle-node bifurcation point for…

偏微分方程分析 · 数学 2024-05-07 Yavdat Il'yasov

We present an analytical approach to deal with nonlinear delay differential equations close to instabilities of time periodic reference states. To this end we start with approximately determining such reference states by extending the…

数学物理 · 物理学 2009-11-07 Christian Simmendinger , Arne Wunderlin , Axel Pelster

The authors investigate the solution of a nonlinear reaction-diffusion equation connected with nonlinear waves. The equation discussed is more general than the one discussed recently by Manne, Hurd, and Kenkre (2000). The results are…

经典分析与常微分方程 · 数学 2009-11-11 R. K. Saxena , A. M. Mathai , H. J. Haubold