Estimate for the lower bound of rank and the upper bound of eigenvalues norms' sum of given quaternion matrix.
Junliang WuYan ZhangPublished in: Comput. Math. Appl. (2010)
Keyphrases
- upper bound
- lower bound
- singular values
- covariance matrix
- objective function
- singular value decomposition
- correlation matrix
- branch and bound algorithm
- eigenvalues and eigenvectors
- signal subspace
- worst case
- branch and bound
- upper and lower bounds
- linear functions
- lower and upper bounds
- fourier transform
- np hard
- lower bounding
- sample size
- optimal solution
- weighted sum
- covariance matrices
- optimal cost
- vc dimension
- sample complexity
- estimation error
- pointwise
- partition function
- low rank approximation
- multi agent systems