Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order

This manuscript is devoted to using Bernoulli polynomials to establish a new spectral method for computing the approximate solutions of initial and boundary value problems of variable-order fractional differential equations. With the help of the aforementioned method, some operational matrices of va...

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Main Authors: Zareen A. Khan, Sajjad Ahmad, Salman Zeb, Hussam Alrabaiah
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Fractal and Fractional
Subjects:
Online Access:https://www.mdpi.com/2504-3110/7/5/392
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author Zareen A. Khan
Sajjad Ahmad
Salman Zeb
Hussam Alrabaiah
author_facet Zareen A. Khan
Sajjad Ahmad
Salman Zeb
Hussam Alrabaiah
author_sort Zareen A. Khan
collection DOAJ
description This manuscript is devoted to using Bernoulli polynomials to establish a new spectral method for computing the approximate solutions of initial and boundary value problems of variable-order fractional differential equations. With the help of the aforementioned method, some operational matrices of variable-order integration and differentiation are developed. With the aid of these operational matrices, the considered problems are converted to algebraic-type equations, which can be easily solved using computational software. Various examples are solved by applying the method described above, and their graphical presentation and accuracy performance are provided.
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spelling doaj.art-32e5848e55fa4df4ae2506827c79c1d72023-11-18T01:26:28ZengMDPI AGFractal and Fractional2504-31102023-05-017539210.3390/fractalfract7050392Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable OrderZareen A. Khan0Sajjad Ahmad1Salman Zeb2Hussam Alrabaiah3Department of Mathematical Sciences, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi ArabiaDepartment of Mathematics, University of Malakand, Dir (L), Khyber Pakhtunkhawa, Chakdara P.O. Box 18800, PakistanDepartment of Mathematics, University of Malakand, Dir (L), Khyber Pakhtunkhawa, Chakdara P.O. Box 18800, PakistanCollege of Engineering, Al Ain University, Al Ain P.O. Box 64141, United Arab EmiratesThis manuscript is devoted to using Bernoulli polynomials to establish a new spectral method for computing the approximate solutions of initial and boundary value problems of variable-order fractional differential equations. With the help of the aforementioned method, some operational matrices of variable-order integration and differentiation are developed. With the aid of these operational matrices, the considered problems are converted to algebraic-type equations, which can be easily solved using computational software. Various examples are solved by applying the method described above, and their graphical presentation and accuracy performance are provided.https://www.mdpi.com/2504-3110/7/5/392fractional-order Bernoulli polynomialsoperational matricesvariable-order initial and boundary value problems
spellingShingle Zareen A. Khan
Sajjad Ahmad
Salman Zeb
Hussam Alrabaiah
Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
Fractal and Fractional
fractional-order Bernoulli polynomials
operational matrices
variable-order initial and boundary value problems
title Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
title_full Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
title_fullStr Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
title_full_unstemmed Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
title_short Bernoulli-Type Spectral Numerical Scheme for Initial and Boundary Value Problems with Variable Order
title_sort bernoulli type spectral numerical scheme for initial and boundary value problems with variable order
topic fractional-order Bernoulli polynomials
operational matrices
variable-order initial and boundary value problems
url https://www.mdpi.com/2504-3110/7/5/392
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