Haar wavelet approximate solutions for the generalized Lane–Emden equations arising in astrophysics

H Kaur, RC Mittal, V Mishra - Computer physics communications, 2013 - Elsevier
This paper provides a technique to investigate the solutions of generalized nonlinear
singular Lane–Emden equations of first and second kinds by using a Haar wavelet quasi …

Four techniques based on the B‐spline expansion and the collocation approach for the numerical solution of the Lane–Emden equation

M Lakestani, M Dehghan - Mathematical Methods in the …, 2013 - Wiley Online Library
Four numerical techniques based on the linear B‐spline functions are presented for the
numerical solution of the Lane–Emden equation. Some properties of the B‐spline functions …

Exact solutions of the generalized Lane–Emden equations of the first and second kind

B Muatjetjeja, CM Khalique - Pramana, 2011 - Springer
In this paper we discuss the integrability of the generalized Lane–Emden equations of the
first and second kinds. We carry out their Noether symmetry classification. Various cases for …

Numerical investigation of the temperature profile in a rectangular longitudinal fin

C Harley, RJ Moitsheki - Nonlinear Analysis: Real World Applications, 2012 - Elsevier
In this paper we consider a model describing the temperature profile in a longitudinal fin with
a rectangular profile attached to a stationary base surface. The heat transfer coefficient is …

[HTML][HTML] An implicit series solution for a boundary value problem modelling a thermal explosion

E Momoniat, C Harley - Mathematical and Computer Modelling, 2011 - Elsevier
An implicit series solution admitted by a boundary value problem modelled by a Lane–
Emden equation of the second kind is obtained. The boundary value problem was derived …

Hopscotch method: The numerical solution of the Frank-Kamenetskii partial differential equation

C Harley - Applied Mathematics and Computation, 2010 - Elsevier
Numerical solutions to the Frank-Kamenetskii partial differential equation modelling a
thermal explosion in a cylindrical vessel are obtained using the hopscotch scheme. We …

Alternate derivation of the critical value of the Frank-Kamenetskii parameter in cylindrical geometry

C Harley, E Momoniat - Journal of Nonlinear Mathematical Physics, 2008 - Taylor & Francis
Noether's theorem is used to determine first integrals admitted by a generalised Lane-
Emden equation of the second kind modelling a thermal explosion. These first integrals exist …

Exact solutions of generalized Lane-Emden equations of the second kind

K Kasapoǧlu - Applications of Mathematics, 2024 - Springer
Contact and Lie point symmetries of a certain class of second order differential equations
using the Lie symmetry theory are obtained. Generators of these symmetries are used to …

[PDF][PDF] Efficient boundary value problem solution for a Lane-Emden equation

C Harley, E Momoniat - Mathematical and Computational …, 2010 - pdfs.semanticscholar.org
An efficient method for determining an initial guess to an iterative solution to the boundary
value problem y//+(k/x) y/+ δey= 0 solved subject to y/(0)= 0 and y (1)= 0 is proposed. This …

Using an Effective Numerical Method for Solving a Class of Lane‐Emden Equations

Y Wang, H Yu, F Tan, S Li - Abstract and Applied Analysis, 2014 - Wiley Online Library
We use the reproducing kernel method to solve the well‐known classes of Lane‐Emden‐
type equations. These classes of equations have the form of Lane‐Emden problem …