[HTML][HTML] An efficient variable stepsize rational method for stiff, singular and singularly perturbed problems

S Qureshi, A Soomro, E Hincal, JR Lee, C Park… - Alexandria Engineering …, 2022 - Elsevier
In this article, a new iterative method of the rational type having fifth-order of accuracy is
proposed to solve initial value problems. The method is self-starting, stable, consistent, and …

A general class of second-order L-stable explicit numerical methods for stiff problems

MT Hoang, M Ehrhardt - Applied Mathematics Letters, 2024 - Elsevier
In this paper, we propose a simple approach to the construction of a general class of L-
stable explicit second-order one-step methods for solving stiff problems. These methods are …

A new family of acceptable nonlinear methods with fixed and variable stepsize approach

S Qureshi, A Soomro, E Hınçal - … and Mathematical Methods, 2021 - Wiley Online Library
Solving stiff, singular, and singularly perturbed initial value problems (IVPs) has always
been challenging for researchers working in different fields of science and engineering. In …

[HTML][HTML] Enhanced rational multi-derivative integrator for singular problems with application to advection equations

MO Ogunniran, A Aljohani, A Shokri, KR Tijani… - Ain Shams Engineering …, 2024 - Elsevier
Singular problems with discontinuities or steep gradients challenge traditional numerical
integration methods. This study introduces the Rational Multi-Derivative Integrator (RMDI) …

[PDF][PDF] A new class of rational multistep methods for solving initial value problem

YY Teh, N Yaacob - Malaysian Journal of Mathematical Sciences, 2013 - mjms.upm.edu.my
There exists initial value problem whose solution possesses singularity. Studies show that
conventional numerical method such as multistep method fail woefully near the singular …

[PDF][PDF] One-step exponential-rational methods for the numerical solution of first order initial value problems

PPS Berangka, TEYAN YINg, N YAAcOB - Sains Malaysiana, 2013 - core.ac.uk
In this study, a new class of exponential-rational methods (ERMs) for the numerical solution
of first order initial value problems has been developed. Developments of third order and …

Coefficients for studying one-step rational schemes for IVPs in ODEs: III. Extrapolation methods

MNO Ikhile - Computers & Mathematics with Applications, 2004 - Elsevier
This paper considers extrapolation of rational methods for the numerical solution of initial
value problems (IVPs) in ordinary differential equations (ODEs). The extrapolation code …

Rational methods for solving first-order initial value problems

AN Fairuz, ZA Majid - International Journal of Computer …, 2021 - Taylor & Francis
In this paper, a class of rational methods of second to fourth order of accuracy are presented.
The methods are developed by considering the concept of the closest points of …

[PDF][PDF] Modified exponential-rational methods for the numerical solution of first order initial value problems

YY Teh, Z Omar, KH Mansor - Sains Malaysiana, 2014 - journalarticle.ukm.my
Exponentially-fitted numerical methods are appealing because L-stability is guaranteed
when solving initial value problems of the form Such numerical methods also yield the exact …

[PDF][PDF] Rational block method for the numerical solution of first order initial value problem I: Concepts and ideas

TY Ying, Z Omar, KH Mansor - Global Journal of Pure and Applied …, 2016 - academia.edu
In this study, the concept of block methods based on rational approximants is introduced for
the numerical solution of first order initial value problems. These numerical methods are also …