Squared distance matrices of trees with matrix weights.
Iswar MahatoM. Rajesh KannanPublished in: AKCE Int. J. Graphs Comb. (2023)
Keyphrases
- singular value decomposition
- coefficient matrix
- square matrices
- positive definite
- matrix representation
- squared distance
- singular values
- linear combination
- perturbation theory
- rows and columns
- pairwise comparison
- data matrix
- projection matrices
- eigenvalues and eigenvectors
- positive semidefinite
- linear algebra
- symmetric matrices
- linear complementarity problem
- sparse matrix
- decision trees
- totally unimodular
- matrix multiplication
- objective function
- symmetric positive definite
- pseudo inverse
- low rank
- randomly chosen
- covariance matrix
- projection matrix
- total length
- covariance matrices
- square root
- kernel function
- low rank approximation
- dimensionality reduction
- pairwise
- multiscale