Numerical solution of partial differential equations
Numerical solution of partial differential equations
Finite difference approximations for fractional advection-dispersion flow equations
Journal of Computational and Applied Mathematics
SIAM Journal on Numerical Analysis
The accuracy and stability of an implicit solution method for the fractional diffusion equation
Journal of Computational Physics
A second-order accurate numerical approximation for the fractional diffusion equation
Journal of Computational Physics
Weighted average finite difference methods for fractional diffusion equations
Journal of Computational Physics
Journal of Computational Physics
Numerical approximation of Lévy-Feller diffusion equation and its probability interpretation
Journal of Computational and Applied Mathematics
Finite difference/spectral approximations for the time-fractional diffusion equation
Journal of Computational Physics
Numerical solutions for fractional reaction-diffusion equations
Computers & Mathematics with Applications
Journal of Computational and Applied Mathematics
SIAM Journal on Numerical Analysis
Numerical Schemes with High Spatial Accuracy for a Variable-Order Anomalous Subdiffusion Equation
SIAM Journal on Scientific Computing
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Fractional reaction---subdiffusion equations are widely used in recent years to simulate physical phenomena. In this paper, we consider a variable-order nonlinear reaction---subdiffusion equation. A numerical approximation method is proposed to solve the equation. Its convergence and stability are analyzed by Fourier analysis. By means of the technique for improving temporal accuracy, we also propose an improved numerical approximation. Finally, the effectiveness of the theoretical results is demonstrated by numerical examples.