Low-rank improvements of two-level grid preconditioned matrices.
Owe AxelssonRadim BlahetaPublished in: J. Comput. Appl. Math. (2018)
Keyphrases
- low rank
- matrix completion
- low rank matrix
- singular value decomposition
- data matrix
- singular values
- matrix decomposition
- frobenius norm
- low rank approximation
- eigendecomposition
- linear combination
- low rank and sparse
- matrix factorization
- missing data
- low rank matrices
- convex optimization
- affinity matrix
- semi supervised
- kernel matrix
- rank minimization
- high order
- positive semidefinite
- high dimensional data
- norm minimization
- data sets
- trace norm
- collaborative filtering
- minimization problems
- small number
- active learning
- non rigid structure from motion
- recommender systems
- dimensionality reduction
- missing values