Stability and convergence of finite difference schemes for a class of time-fractional sub-diffusion equations based on certain superconvergence.
Guang-hua GaoHai-Wei SunZhi-Zhong SunPublished in: J. Comput. Phys. (2015)
Keyphrases
- finite difference
- diffusion equation
- numerical scheme
- partial differential equations
- semi implicit
- finite element
- anisotropic diffusion
- scale space
- numerical analysis
- diffusion process
- numerical solution
- noise removal
- boundary conditions
- nonlinear diffusion
- coherence enhancing diffusion
- image enhancement
- level set
- scale spaces
- filtering method
- image denoising