A wavelet-based algebraic multigrid preconditioner for sparse linear systems.
Fábio Henrique PereiraSérgio Luís Lopes VerardiSílvio Ikuyo NabetaPublished in: Appl. Math. Comput. (2006)
Keyphrases
- sparse linear systems
- linear systems
- multiresolution
- sufficient conditions
- wavelet transform
- dynamical systems
- boundary conditions
- image analysis
- low frequency
- multiscale
- image compression
- iterative methods
- edge detection
- neural network
- computationally expensive
- partial differential equations
- wavelet domain
- high frequency
- inverse problems
- emission tomography
- flow field
- data fusion
- subband
- search algorithm
- learning algorithm
- genetic algorithm