Neuro-heuristics for nonlinear singular Thomas-Fermi systems

Z Sabir, MA Manzar, MAZ Raja, M Sheraz… - Applied Soft …, 2018 - Elsevier
A neuro-heuristic scheme is design to solve nonlinear singular second order system based
on Thomas-Fermi equation using the strength of universal approximation capabilities of …

[HTML][HTML] Accurate solution of the Thomas–Fermi equation using the fractional order of rational Chebyshev functions

K Parand, M Delkhosh - Journal of Computational and Applied …, 2017 - Elsevier
In this paper, the nonlinear singular Thomas–Fermi differential equation for neutral atoms is
solved using the fractional order of rational Chebyshev orthogonal functions (FRCs) of the …

A new numerical approach to solve Thomas–Fermi model of an atom using bio-inspired heuristics integrated with sequential quadratic programming

MAZ Raja, A Zameer, AU Khan, AM Wazwaz - SpringerPlus, 2016 - Springer
In this study, a novel bio-inspired computing approach is developed to analyze the dynamics
of nonlinear singular Thomas–Fermi equation (TFE) arising in potential and charge density …

Fractional order of rational Jacobi functions for solving the non-linear singular Thomas-Fermi equation

K Parand, P Mazaheri, H Yousefi… - The European Physical …, 2017 - Springer
In this paper, a new method based on Fractional order of Rational Jacobi (FRJ) functions is
proposed that utilizes quasilinearization method to solve non-linear singular Thomas-Fermi …

A novel numerical technique to obtain an accurate solution to the Thomas-Fermi equation

K Parand, H Yousefi, M Delkhosh, A Ghaderi - The European Physical …, 2016 - Springer
In this paper, a new algorithm based on the fractional order of rational Euler functions (FRE)
is introduced to study the Thomas-Fermi (TF) model which is a nonlinear singular ordinary …

A new approach for solving nonlinear Thomas-Fermi equation based on fractional order of rational Bessel functions

K Parand, A Ghaderi, M Delkhosh, H Yousefi - arxiv preprint arxiv …, 2016 - arxiv.org
In this paper, the fractional order of rational Bessel functions collocation method (FRBC) to
solve Thomas-Fermi equation which is defined in the semi-infinite domain and has …

Log orthogonal functions in semi-infinite intervals: approximation results and applications

S Chen, J Shen - SIAM Journal on Numerical Analysis, 2023 - SIAM
We construct two new classes of log orthogonal functions in semi-infinite intervals, log
orthogonal functions (LOFs-II) and generalized log orthogonal functions (GLOFs-II), by …

On the numerical integration of singular initial and boundary value problems for generalised Lane–Emden and Thomas–Fermi equations

WM Seiler, M Seiß - Applied Mathematics and Computation, 2024 - Elsevier
We propose a geometric approach for the numerical integration of singular initial and
boundary value problems for (systems of) quasi-linear differential equations. It transforms …

[HTML][HTML] Laguerre pseudospectral approximation to the Thomas–Fermi equation

C Liu, S Zhu - Journal of computational and applied mathematics, 2015 - Elsevier
We propose an iterative method to solve the nonlinear Thomas–Fermi equation based on
Laguerre pseudospectral approximation. Different from the direct use of pseudospectral …

Computational heuristics for solving nonlinear singular Thomas–Fermi equation with genetic exponential collocation algorithm

N Yousaf, W uz Zaman, A Zameer… - … Physical Journal Plus, 2022 - epjplus.epj.org
A novel approach of Genetic Exponential Collocation Algorithm (GECA) is reported for the
solution of nonlinear singular Thomas–Fermi equation (TFE) arising in the statistical …