A scalable matrix-free spectral element approach for unsteady PDE constrained optimization using PETSc/TAO.
Oana MarinEmil M. ConstantinescuBarry SmithPublished in: J. Comput. Sci. (2020)
Keyphrases
- constrained optimization
- matrix valued
- augmented lagrangian
- constrained optimization problems
- lagrange multipliers
- partial differential equations
- constraint handling
- inequality constraints
- penalty function
- objective function
- unconstrained optimization
- spectral relaxation
- singular values
- anisotropic diffusion
- low rank
- singular value decomposition
- interval analysis
- iterative methods
- image denoising
- image processing