Half-Step Continuous Block Method for the Solutions of Modeled Problems of Ordinary Differential Equations

Autor:	J. Sunday, A. O. Adesanya, D. G. Yakubu, A. A. James
Rok vydání:	2013
Předmět:	Power series Ordinary differential equation Mathematical analysis General Medicine Interval (mathematics) Mixture model Collocation (remote sensing) Constant (mathematics) Interpolation Linear multistep method Mathematics
Zdroj:	American Journal of Computational Mathematics. :261-269
ISSN:	2161-1211 2161-1203
DOI:	10.4236/ajcm.2013.34036
Popis:	In this paper, we developed a new continuous block method using the approach of collocation of the differential system and interpolation of the power series approximate solution. A constant step length within a half step interval of integration was adopted. We evaluated at grid and off grid points to get a continuous linear multistep method. The continuous linear multistep method is solved for the independent solution to yield a continuous block method which is evaluated at selected points to yield a discrete block method. The basic properties of the block method were investigated and found to be consistent and zero stable hence convergent. The new method was tested on real life problems namely: SIR model, Growth model and Mixture Model. The results were found to compete favorably with the existing methods in terms of accuracy and error bound.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::b02e8da2dad9287fda8085296ec1f934 https://doi.org/10.4236/ajcm.2013.34036 Zobrazit plný text záznamu