A new approximation of the Schur complement in preconditioners for PDE-constrained optimization.
John W. PearsonAndrew J. WathenPublished in: Numer. Linear Algebra Appl. (2012)
Keyphrases
- constrained optimization
- iterative methods
- partial differential equations
- constrained optimization problems
- unconstrained optimization
- penalty function
- objective function
- constraint handling
- stationary points
- closed form solutions
- inequality constraints
- numerical scheme
- augmented lagrangian
- approximation algorithms
- interval analysis
- linear systems
- anisotropic diffusion
- level set
- edge preserving
- penalty functions
- multi objective
- energy functional
- lagrange multipliers
- bundle adjustment
- closed form
- image denoising
- image reconstruction
- image restoration
- genetic algorithm