A compact higher-order finite-difference scheme for the wave equation can be strongly non-dissipative on non-uniform meshes.
Alexander ZlotnikRaimondas CiegisPublished in: Appl. Math. Lett. (2021)
Keyphrases
- finite difference
- hamilton jacobi
- wave equation
- higher order
- numerical scheme
- finite element
- semi implicit
- numerical analysis
- numerical solution
- partial differential equations
- medial axis
- pairwise
- multiresolution
- diffusion equation
- natural images
- high order
- markov random field
- image analysis
- level set method
- image enhancement