A defect-correction algorithm for quadratic matrix equations, with applications to quasi-Toeplitz matrices.
Dario BiniBeatrice MeiniPublished in: CoRR (2022)
Keyphrases
- systems of linear equations
- coefficient matrix
- linear systems
- singular value decomposition
- square matrices
- correlation matrix
- symmetric matrix
- positive semidefinite
- semidefinite
- singular values
- projection matrices
- linear algebra
- least squares
- positive definite
- perturbation theory
- linear complementarity problem
- matrix representation
- pairwise
- rows and columns
- eigenvalues and eigenvectors
- matrix multiplication
- linear equations
- semidefinite programming
- symmetric matrices
- projection matrix
- sufficient conditions
- eigenvalue decomposition
- computational complexity
- symmetric positive definite
- defect detection
- numerical solution
- pseudo inverse
- mathematical model
- sparse matrices
- low rank and sparse
- low rank matrix
- sparse matrix
- interior point methods
- block diagonal
- measurement matrix
- jacobian matrix
- matrix completion
- low rank approximation
- data matrix
- numerical methods
- low rank
- objective function