Preconditioning PDE-constrained optimization with L1-sparsity and control constraints.
Margherita PorcelliValeria SimonciniMartin StollPublished in: Comput. Math. Appl. (2017)
Keyphrases
- constrained optimization
- iterative methods
- constrained optimization problems
- constraint handling
- objective function
- penalty function
- inequality constraints
- unconstrained optimization
- penalty functions
- augmented lagrangian
- partial differential equations
- lagrange multipliers
- edge preserving
- sparse representation
- stationary points
- interval analysis
- primal dual
- convex optimization
- image denoising
- level set