Journal
ALEXANDRIA ENGINEERING JOURNAL
Volume 59, Issue 4, Pages 2391-2400Publisher
ELSEVIER
DOI: 10.1016/j.aej.2020.02.035
Keywords
Haar wavelet; Collocation method; Approximate solution; Fractional differential equations
Categories
Funding
- United Arab Emirates University [RGDES2017-01-17]
- [31S363-UPAR (4) 2018]
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This manuscript deals a numerical technique based on Haar wavelet collocation which is developed for the approximate solution of some systems of linear and nonlinear fractional order differential equations (FODEs). Based on these techniques, we find the numerical solution to var-ious systems of FODEs. We compare the obtain solution with the exact solution of the considered problems at integer orders. Also, we compute the maximum absolute error to demonstrate the effi-ciency and accuracy of the proposed method. For the illustration of our results we provide four test examples. The experimental rates of convergence for different number of collocation point is calculated which is approximately equal to 2. Fractional derivative is defined in the Caputo sense. (C) 2020 The Authors. Published by Elsevier B.V. on behalf of Faculty of Engineering, Alexandria University. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/ 4.0/).
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