Matrix-free preconditioning for high-order H(curl) discretizations.
Andrew T. BarkerTzanio V. KolevPublished in: Numer. Linear Algebra Appl. (2021)
Keyphrases
- high order
- low rank
- higher order
- lower order
- low order
- pairwise
- markov random field
- vector field
- tensor decomposition
- edge preserving
- zernike moments
- bayesian logistic regression
- covariance matrix
- singular value decomposition
- image restoration
- fourth order
- conjugate gradient
- anisotropic diffusion
- arithmetic coding
- linear algebra
- primal dual
- similarity measure
- missing data
- objective function