Journal
CENTRAL EUROPEAN JOURNAL OF PHYSICS
Volume 11, Issue 10, Pages 1440-1456Publisher
VERSITA
DOI: 10.2478/s11534-013-0261-x
Keywords
time-space fractional diffusion equation; difference scheme; stability; convergence
Categories
Funding
- Key Program of Shanghai Municipal Education Commission [12ZZ084]
- The First-class Discipline of Universities in Shanghai
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In this paper, we derive two novel finite difference schemes for two types of time-space fractional diffusion equations by adopting weighted and shifted Grunwald operator, which is used to approximate the Riemann-Liouville fractional derivative to the second order accuracy. The stability and convergence of the schemes are analyzed via mathematical induction. Moreover, the illustrative numerical examples are carried out to verify the accuracy and effectiveness of the schemes.
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