Approximation of Sparse Controls in Semilinear Elliptic Equations.
Eduardo CasasRoland HerzogGerd WachsmuthPublished in: LSSC (2011)
Keyphrases
- numerical methods
- boundary value problem
- sparse approximation
- approximation error
- differential equations
- approximation algorithms
- error bounds
- difference equations
- high dimensional
- sparse representation
- sparse data
- image processing
- approximation schemes
- compressed sensing
- mathematical model
- sparse coding
- partial differential equations
- closed form
- compressive sensing
- image reconstruction
- lower bound
- search algorithm
- multiscale
- data sets
- numerical integration
- sparse approximations