Scalable tensor-product preconditioners for high-order finite-element methods: Scalar equations.
Laslo T. DiosadyScott M. MurmanPublished in: J. Comput. Phys. (2019)
Keyphrases
- high order
- tensor product
- finite element methods
- numerical solution
- finite difference
- partial differential equations
- linear systems
- b spline
- higher order
- differential equations
- finite element
- image restoration
- numerical analysis
- anisotropic diffusion
- cubic spline
- edge preserving
- low rank
- vector valued
- multiscale
- numerical methods
- finite element model
- markov random field
- image processing
- basis functions
- natural images
- high resolution