Congruence of rational matrices defined by an integer matrix.
Marcin GasiorekPublished in: Appl. Math. Comput. (2023)
Keyphrases
- totally unimodular
- singular value decomposition
- coefficient matrix
- mixed integer
- singular values
- positive definite
- block diagonal
- matrix representation
- eigenvalues and eigenvectors
- square matrices
- positive semidefinite
- projection matrices
- data matrix
- binary matrix
- linear algebra
- systems of linear equations
- rows and columns
- correlation matrix
- low rank
- pseudo inverse
- covariance matrix
- perturbation theory
- linear complementarity problem
- low rank matrix
- symmetric matrices
- projection matrix
- decision making
- distance matrix
- real numbers
- semidefinite
- linear combination
- feature space