Shifted Cholesky QR for Computing the QR Factorization of Ill-Conditioned Matrices.
Takeshi FukayaRamaseshan KannanYuji NakatsukasaYusaku YamamotoYuka YanagisawaPublished in: SIAM J. Sci. Comput. (2020)
Keyphrases
- singular value decomposition
- low rank
- measurement matrix
- singular values
- least squares
- qr decomposition
- dimension reduction
- data matrix
- error correction
- factorization method
- image restoration
- dimensionality reduction
- neural network
- low rank matrix
- computer vision
- linear combination
- principal component analysis
- face recognition
- kernel matrix
- feature selection
- null space
- kronecker product