Journal
APPLIED MATHEMATICS AND COMPUTATION
Volume 363, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2019.124633
Keywords
Caputo derivative; Backward difference formula; Predictor corrector method; Stability analysis; Fractional differential equations
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In the present paper, we propose a new family of six predictor-corrector methods to solve non-linear fractional differential equations (FDEs) of the form D(alpha)y(t) = f(t, y(t)), 0 < alpha < 1, where D-alpha denotes the ath order Caputo derivative and perform the stability and error analysis. Further, we extend these methods for solving systems of FDEs. The proposed methods have higher order accuracy and their execution time is drastically reduced as compared to existing methods such as fractional Adams method (FAM) and new predictor-corrector method (NPCM). They require only 10% of the time taken by FAM and 20% of the NPCM. Further, these methods converge for very small values of alpha when FAM and NPCM fail. We illustrate the applicability of the proposed methods by solving a variety of examples and some chaotic systems. (C) 2019 Elsevier Inc. All rights reserved.
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