B. I. Akinnukawe

Department of Mathematics, University of Lagos. Akoka, Lagos, Nigeria

iakinnukawe@unilag.edu.ng

2 Publications

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Publications 2

Research Article Vol. 30, Issue 1

Third Derivative Block Hybrid Obrechkoff Methods

B. I. Akinnukawe^*, O. A. Akinfenwa, S. A. Okunuga

This paper presents a family of Third Derivative Block Hybrid Obrechkoff Methods of Adams-type for solving stiff Initial Value Problems (IVPs). Multistep collocation techniques, with power series as basis function, are employed for the derivation of the continuous form of the hybrid methods. The continuous Hybrid Obrechkoff Methods are used to gene...

Aug, 2026 Vol. 30, Issue 1 1 views

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Research Article Vol. 24, Issue 1

A Seventh-order Block Integrator for Solving Stiff Systems

B. I. Akinnukawe^*, S. A. Okunuga

In this paper, an L0- stable Second Derivative Block Integrator of uniform order seven is proposed for the numerical integration of stiff systems, including large stiff systems resulting from semi discretization of Parabolic differential equations. The conven tional 3-step second derivative backward differentiation formula is obtained from a contin...

Dec, 2015 Vol. 24, Issue 1

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