نتایج جستجو برای: emden type equations

تعداد نتایج: 1554457  

2016
Rui Wang Qiqiang Li

We consider a class of second-order Emden-Fowler equations with positive and nonpositve neutral coefficients. By using the Riccati transformation and inequalities, several oscillation and asymptotic results are established. Some examples are given to illustrate the main results.

Journal: :Mathematics 2022

The present paper is concerned with the asymptotic behavior of solutions to a class noncanonical third-order Emden–Fowler delay differential equations superlinear neutral term. Using Riccati-type transformation as well integral criteria, we establish some new sufficient conditions guaranteeing that every solution equation considered either oscillates or converges zero asymptotically. results ar...

Journal: :J. Applied Mathematics 2012
Changqing Yang Jianhua Hou

A numerical method to solve Lane-Emden equations as singular initial value problems is presented in this work. This method is based on the replacement of unknown functions through a truncated series of hybrid of block-pulse functions and Chebyshev polynomials. The collocation method transforms the differential equation into a system of algebraic equations. It also has application in a wide area...

Journal: :J. Applied Mathematics 2012
Mohammad Maleki M. Tavassoli Kajani Ishak Hashim Adem Kiliçman Kamel A. M. Atan

We propose a numerical method for solving nonlinear initial-value problems of Lane-Emden type. The method is based upon nonclassical Gauss-Radau collocation points, and weighted interpolation. Nonclassical orthogonal polynomials, nonclassical Radau points and weighted interpolation are introduced on arbitrary intervals. Then they are utilized to reduce the computation of nonlinear initial-value...

Journal: :Communications in Mathematics 2022

In this paper, we propose a method for solving some classes of the singular fractional nonlinear Lane-Emden type equations. The is proposed by utilizing second-kind Chebyshev wavelets in conjunction with quasilinearization technique. operational matrices are used. tested on standard equation, isothermal gas spheres and other examples. We compare results produced present well-known to show accur...

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