Browsing by Author "A.S. Abdulkareem"

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    AN ANALYSIS OF ALGEBRAIC PATTERN OF A FIRST ORDER AND AN EXTENDED SECOND ORDER RUNGE-KUTTA TYPE METHOD
    (Faculty of Science, Kaduna State University, 2020) R. Muhammad,; Y. A. Yahaya; A.S. Abdulkareem
    The algebraic pattern of a 6-Stage Block Hybrid Runge –Kutta Type Methods (BHRKTM) for the solution of Ordinary Differential Equations (ODEs) is carefully analyzed. The analysis of the methods expressed in the Butcher Tableau led to the evolvement of two equations that satisfy the Runge – Kutta consistency conditions. The reason behind the uniform order and error constant for the developed first order and extended second order methods is explained using the theory of linear transformation and monomorphism. The pattern was retained during the transformation.
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    Reformulation of Block Implicit Linear Multistep Method into Runge Kutta Type Method for Initial Value Problem
    (International Journal of Science and Technology Publications UK, 2015-04) Muhammad R; Y.A Yahaya; A.S. Abdulkareem
    In this research work, we reformulated the block hybrid Backward Differentiation Formula (BDF) for 𝑘=4 into Runge Kutta Type Method (RKTM) of the same step number for the solution of Initial value problem in Ordinary Differential Equation (ODE). The method can be use to solve both first and second order (special or general form). It can also be extended to solve higher order ODE. This method differs from conventional BDF as derivation is done only once