On the Definiteness and the Second Smallest Eigenvalue of Signed Laplacian Matrices.
Shuang LiWeiguo XiaPublished in: IEEE Control. Syst. Lett. (2022)
Keyphrases
- positive definite
- covariance matrix
- perturbation theory
- correlation matrix
- eigenvalue problems
- laplacian matrix
- covariance matrices
- kernel function
- edge detection
- random matrix theory
- principal component analysis
- least squares
- zero crossing
- geometric structure
- video matting
- singular values
- matrix representation
- projection matrices
- coefficient matrix
- spectral decomposition
- support vector
- data sets