Volume 2015, Issue 1 650425
Research Article
Open Access

Block Backward Differentiation Formulas for Fractional Differential Equations

T. A. Biala

T. A. Biala

Department of Mathematics and Computer Science, Sule Lamido University, Kafin Hausa, PMB 048, Kafin Hausa, Nigeria

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S. N. Jator

Corresponding Author

S. N. Jator

Department of Mathematics and Statistics, Austin Peay State University, Clarksville, TN 37044, USA apsu.edu

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First published: 29 September 2015
Citations: 7
Academic Editor: Yurong Liu

Abstract

This paper concerns the numerical approximation of Fractional Initial Value Problems (FIVPs). This is achieved by constructing k-step continuous BDFs. These continuous schemes are developed via the interpolation and collocation approach and are used to obtain the discrete k-step BDF and (k − 1) additional methods which are applied as numerical integrators in a block-by-block mode for the integration of FIVP. The properties of the methods are established and regions of absolute stability of the methods are plotted in the complex plane. Numerical tests including large systems arising form the semidiscretization of one-dimensional fractional Burger’s equation show that the methods are highly accurate and efficient.

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