Numerical Treatment Solution of Volterra Integro-Fractional Differential Equation by Using Linear Spline Function
Karwan H.F. Jwamer 1, Shazad Sh. Ahmed 1 and Diar Kh. Abdullah1*
1Department of Mathematics, College of Science, Sulaimani University, Sulaimani, Kurdistan Region, Iraq.
*Corresponding author:diar.khalid85@gmail.com
Original: 5 August 2020 Revised: 1 September 2020 Accepted: 26 September 2020 Published online: 20 December 2020
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Abstract
In this article, we propose two new approximate methods based totally on the use of normal linear spline function and second employed with the Richardson Extrapolation technique the usage of discrete collocation points for approximating the solution of the Volterra integro-fractional differential equations (VIFDEs). The fractional derivatives are used in the Caputo sense. Illustrative examples are included to demonstrate the validity and applicability of the technique. A new technique with the resource of MatLab program is written to treat numerically VIFDEs using spline function, as well as, follow the Clenshaw Curtis rule for calculating the required integrals for those equations.
Key Words: Integro- fractional differential equation, Caputo derivative, Linear spline, Extrapolation method, Clenshaw
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