High order approximation to Caputo derivative on graded mesh and time-fractional diffusion equation for non-smooth solutions.
Shweta KumariAbhishek Kumar SinghVaibhav MehandirattaMani MehraPublished in: CoRR (2023)
Keyphrases
- high order
- diffusion equation
- partial differential equations
- lower order
- higher order
- piecewise smooth
- anisotropic diffusion
- diffusion process
- low order
- fourth order
- boundary conditions
- scale space
- pairwise
- numerical integration
- noise removal
- scale spaces
- image enhancement
- markov random field
- piecewise constant
- zernike moments
- bayesian logistic regression
- numerical solution
- preprocessing
- color images