Bessel collocation method for solving variable order fractional problems

Autor: Dehestani, Haniye, Ordokhani, Yadollah
Přispěvatelé: Department of Mathematics [Tehran], Alzahra University
Rok vydání: 2018
Předmět:
Zdroj: 49th annual iranian mathematics conference
49th annual iranian mathematics conference, 2018, Tehran, Iran. ⟨10.5281/zenodo.3095963⟩
DOI: 10.5281/zenodo.3095962
Popis: International audience; In this paper, we examined a wide class of the variable order fractional problems such as linear and nonlin-ear fractional variable order differential equations, variable order fractional functional boundary value problems, variable order fractional pantograph differential equations. The proposed method is a collocation method based on the Bessel polynomials and the operational matrix of derivatives, which transformed equations into a system of non-linear algebraic equations to achieve the approximate solution. By using Caputo fractional derivative, the operational matrix of the variable-order fractional derivatives is constructed. The error analysis shows that the method is convergent. Several numerical results confirm the accuracy and efficiency of the proposed method. Keywords: Bessel collocation method, Variable-order fractional operational matrix, Variable order fractional differential equations, Variable order fractional functional boundary value problems, Variable order fractional panto-graph equations.
Databáze: OpenAIRE