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has been cited by the following article:

• TITLE: The Explicit Fatunla’s Method for First-Order Stiff Systems of Scalar Ordinary Differential Equations: Application to Robertson Problem

  AUTHORS: Hippolyte Nyengeri, Eugène Ndenzako, Rénovat Nizigiyimana

  KEYWORDS: Stiff Differential Equations, Explicit Fatunla Method, Robertson Problem, Stability

  JOURNAL NAME: Open Access Library Journal, Vol.6 No.4, April 10, 2019

  ABSTRACT: Ordinary differential equations (ODEs) are among the most important mathe-matical tools used in producing models in the physical sciences, biosciences, chemical sciences, engineering and many more fields. This has motivated re-searchers to provide efficient numerical methods for solving such equations. Most of these types of differential models are stiff, and suitable numerical methods have to be used to simulate the solutions. This paper starts with a sur-vey on the basic properties of stiff differential equations. Thereafter, we present the explicit one-step algorithm proposed by Fatunla to solve stiff systems of first-order scalar ODEs. As an illustrative example, we consider the Robertson problem (RP) which is known to be stiff. The results obtained with the explicit Fatunla method (EFM) are compared with those computed by the solver RADAU which is based on implicit Runge-Kutta methods. Our results are in good agreement with the latter ones.