Browsing by Author "A. K. JIMOH"

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    An error estimation of a numerical scheme analogue to the tau method for initial value problems in ordinary differential equations
    (2014-03) K. ISSA; A. K. JIMOH
    In a recent paper, we constructed three classes of orthogonal polynomials for use in the perturbation term of a numerical integration scheme analogues to the tau method of Lanczos and Ortiz for ordinary differential equations. The resulting n-th degree approximant y_n(x) of the solution y(x) of the differential equation was accurate and hence justified the scheme. In this present paper, we report an error estimation of the method based on our earlier work. The estimate obtained is good as it correctly captured the order of the tau approximant.