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The operational matrix of fractional derivative of the fractional-order Chebyshev functions and its applications | ||
| Computational Methods for Differential Equations | ||
| مقاله 6، دوره 5، شماره 1، فروردین 2017، صفحه 67-87 اصل مقاله (324.72 K) | ||
| نوع مقاله: Research Paper | ||
| نویسندگان | ||
| Mohammadreza Ahmadi Darani* 1؛ Abbas Saadatmandi2 | ||
| 1Department of Applied Mathematics, Faculty of Mathematical Sciences, Shahrekord University, P. O. Box 115, Shahrekord, Iran | ||
| 2Department of Applied Mathematics, Faculty of Mathematical Sciences, University of Kashan, Kashan, 87317-51167, Iran | ||
| چکیده | ||
| In this paper, we introduce a family of fractional-order Chebyshev functions based on the classical Chebyshev polynomials. We calculate and derive the operational matrix of derivative of fractional order $gamma$ in the Caputo sense using the fractional-order Chebyshev functions. This matrix yields to low computational cost of numerical solution of fractional order differential equations to the solution of a system of algebraic equations. Several numerical examples are given to illustrate the accuracy of our method. The results obtained, are in full agreement with the analytical solutions and numerical results presented by some previous works. | ||
| کلیدواژهها | ||
| Chebyshev polynomials؛ orthogonal system؛ fractional differential equation؛ fractional-order Chebyshev functions؛ Operational matrix | ||
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