A Sparse Grid Discretization of the Helmholtz Equation with Variable Coefficients in High Dimensions.
Christoph PflaumRainer HartmannPublished in: SIAM J. Numer. Anal. (2016)
Keyphrases
- high dimensions
- high dimensional
- high dimensional data
- continuous variables
- sparsity constraints
- indexing schemes
- linear combination
- high dimensional spaces
- poor quality
- multi dimensional
- sparse representation
- basis functions
- machine learning
- dimensionality reduction
- data analysis
- data points
- wavelet coefficients
- image sequences
- dimensional data
- pattern recognition
- low dimensional
- principal component analysis