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Sabermahani, Sedigheh, Ordokhani, Yadollah. (1402). An optimum solution for multi-dimensional distributed-order fractional differential equations. سامانه مدیریت نشریات علمی, 11(3), 548-563. doi: 10.22034/cmde.2022.54288.2269
Sedigheh Sabermahani; Yadollah Ordokhani. "An optimum solution for multi-dimensional distributed-order fractional differential equations". سامانه مدیریت نشریات علمی, 11, 3, 1402, 548-563. doi: 10.22034/cmde.2022.54288.2269
Sabermahani, Sedigheh, Ordokhani, Yadollah. (1402). 'An optimum solution for multi-dimensional distributed-order fractional differential equations', سامانه مدیریت نشریات علمی, 11(3), pp. 548-563. doi: 10.22034/cmde.2022.54288.2269
Sabermahani, Sedigheh, Ordokhani, Yadollah. An optimum solution for multi-dimensional distributed-order fractional differential equations. سامانه مدیریت نشریات علمی, 1402; 11(3): 548-563. doi: 10.22034/cmde.2022.54288.2269

An optimum solution for multi-dimensional distributed-order fractional differential equations

Computational Methods for Differential Equations
مقاله 8، دوره 11، شماره 3، شهریور 2023، صفحه 548-563    اصل مقاله (1.34 M)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22034/cmde.2022.54288.2269
نویسندگان
Sedigheh Sabermahani؛ Yadollah Ordokhani*
Department of Mathematics, Faculty of Mathematical Sciences, Alzahra University, Tehran, Iran.
چکیده
This manuscript investigates a computational method based on fractional-order Fibonacci functions (FFFs) for solving distributed-order (DO) fractional differential equations and DO time-fractional diffusion equations. Extra DO fractional derivative operator and pseudo-operational matrix of fractional integration for FFFs are proposed. To evaluate the unknown coefficients in the FFF expansion, utilizing the matrices, an optimization problem relating to considered equations is formulated. This approach converts the original problems into a system of algebraic equations. The approximation error is proposed. Several problems are proposed to investigate the applicability and computational efficiency of the scheme. The approximations achieved by some existing schemes are also tested conforming to the efficiency of the present method. Also, the model of the motion of the DO fractional oscillator is solved, numerically.
کلیدواژه‌ها
Fractional-order Fibonacci functions؛ Optimization method؛ Extra distributed-order fractional derivative operator
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