Spectral and norm estimates for matrix sequences arising from a finite difference approximation of elliptic operators.
Armando CocoSven-Erik EkströmGiovanni RussoStefano Serra CapizzanoSantina Chiara StissiPublished in: CoRR (2021)
Keyphrases
- finite difference
- partial differential equations
- numerical scheme
- finite element
- numerical solution
- numerical analysis
- low rank approximation
- hamilton jacobi
- image processing
- level set
- image denoising
- singular value decomposition
- anisotropic diffusion
- difference equations
- semi implicit
- diffusion equation
- objective function
- numerical methods
- piecewise constant
- low rank
- differential equations
- image enhancement
- multiresolution
- image analysis
- lower bound