Robust Multigrid Techniques for Augmented Lagrangian Preconditioning of Incompressible Stokes Equations with Extreme Viscosity Variations.
Yu-Hsuan ShihGeorg StadlerFlorian WechsungPublished in: SIAM J. Sci. Comput. (2023)
Keyphrases
- augmented lagrangian
- differential equations
- primal dual
- constrained optimization
- total variation
- linear programming problems
- linear programming
- image denoising
- constrained optimization problems
- convex optimization
- alternating direction
- computationally expensive
- objective function
- linear systems
- optimization problems
- markov random field
- search space