Laguerre collocation method for solving Lane-Emden type equations

سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 110

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شناسه ملی سند علمی:

JR_CMDE-9-4_017

تاریخ نمایه سازی: 15 بهمن 1401

چکیده مقاله:

In this paper, a Laguerre collocation method is presented in order to obtain numerical solutions for linear and nonlinear Lane-Emden type equations and their initial conditions. The basis of the present method is operational matrices with respect to modified generalized Laguerre polynomials(MGLPs) that transforms the solution of main equation and its initial conditions to the solution of a matrix equation corresponding to the system of algebraic equations with the unknown Laguerre coefficients. By solving this system, coefficients of approximate solution of the main problem will be determined. Implementation of the method is easy and has more accurate results in comparison with results of other methods.

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نویسندگان

Ali Zamiri

Department of Mathematics, University of Mohaghegh ardabili, Ardabil, Iran.

Abdollah Borhanifar

Department of Mathematics, University of Mohaghegh ardabili, Ardabil, Iran.

Amin Ghannadiasl

Department of Civil Engineering, University of Mohaghegh Ardabili, Ardabil, Iran.

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