in this paper, operational matrices of riemann-liouville fractional integration and caputo fractional differentiation for shifted jacobi polynomials are considered. using the given initial conditions, we transform the fractional differential equation (fde) into a modified fractional differential equation with zero initial conditions. next, all the existing functions in modified differential equ...

‎in this paper‎, ‎a spectral tau method for solving fractional riccati‎ ‎differential equations is considered‎. ‎this technique describes‎ ‎converting of a given fractional riccati differential equation to a‎ ‎system of nonlinear algebraic equations by using some simple‎ ‎matrices‎. ‎we use fractional derivatives in the caputo form‎. ‎convergence analysis of the proposed method is given an...

In this paper, we compile the fractional power series method and Laplace transform to design a new algorithm for solving Volterra integro-differential equation. For that, assume (LPS) solution in terms of q=1m,m∈Z+, where derivative order α=qγ, which γ∈Z+. This assumption will help us write integral, kernel, nonhomogeneous as LPS with same power. The recurrence relations finding coefficients ca...

The scope of this study is to establish an effective approximation method for linear first order singularly perturbed Volterra-Fredholm integro-differential equations. finite difference scheme constructed on Shishkin mesh by using appropriate interpolating quadrature rules and exponential basis function. recommended second convergent in the discrete maximum norm. Numerical results illustrating ...

In this paper, we introduce and study a new class of boundary value problems, consisting mixed-type ?1-Hilfer ?2-Caputo fractional order differential equation supplemented with integro-differential nonlocal conditions. The uniqueness solutions is achieved via the Banach contraction principle, while existence results established by using Leray–Schauder nonlinear alternative. Numerical examples a...

Abstract This paper presents an appropriate numerical method to solve nonlinear Fredholm integro-differential equations with time delay. Its approach is based on the Taylor expansion. This method converts the integro-differential equation and the given conditions into the matrix equation which corresponds to a system of nonlinear algebraic equations with unknown Taylor expansion coefficients, s...