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- W4380787539 abstract "In this manuscript, we develop and analyze two high‐order schemes, CFD and PQS , for generalized variable coefficients fractional reaction–diffusion equations. The generalized fractional derivative is characterized by a weight function and a scale function. We approximate it using generalized Alikhanov formula ( ) of order , where denotes the order of the generalized fractional derivative. Moreover, for spatial discretization, we use a compact operator in CFD scheme and parametric quintic splines in PQS scheme. The stability and convergence analysis of both schemes are demonstrated thoroughly using the discrete energy method in the ‐norm. It is shown that the convergence orders of the CFD and PQS schemes are and , respectively, where and represent the mesh spacing in the time direction and is the mesh spacing in the space direction. In addition, numerical results are obtained for three test problems to validate the theory and demonstrate the efficiency and superiority of the proposed schemes." @default.
- W4380787539 created "2023-06-16" @default.
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- W4380787539 date "2023-06-15" @default.
- W4380787539 modified "2023-10-02" @default.
- W4380787539 title "High‐order schemes and their error analysis for generalized variable coefficients fractional reaction–diffusion equations" @default.
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- W4380787539 doi "https://doi.org/10.1002/mma.9458" @default.
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