A computationally efficient method for a class of fractional variational and optimal control problems using fractional gegenbauer functions

A. A. El-Kalaawy, E. H. Doha, S. S. Ezz-Eldien, Mohamed Abdelkawy, R. M. Hafez, A. Z.M. Amin, D. Baleanu, M. A. Zaky

Research output: Contribution to journalJournal articlepeer-review

12 Scopus citations

Abstract

This paper is devoted to investigate, from the numerical point of view, fractional-order Gegenbauer functions to solve fractional variational problems and fractional optimal control problems. We first introduce an orthonormal system of fractional-order Gegenbauer functions. Then, a formulation for the fractional-order Gegenbauer operational matrix of fractional integration is constructed. An error upper bound for the operational matrix of the fractional integration is also given. The properties of the fractional-order Gegenbauer functions are utilized to reduce the given optimization problems to systems of algebraic equations. Some numerical examples are included to demonstrate the efficiency and the accuracy of the proposed approach.

Original languageEnglish
Article number109
JournalRomanian Reports in Physics
Volume70
Issue number2
StatePublished - 2018

Keywords

  • Fractional optimal control problems
  • Fractional variational problems
  • Fractional-order Gegenbauer functions

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