Keyphrases
- sparse matrix
- gradient vector
- eigenvalues and eigenvectors
- matrix representation
- rows and columns
- transformation matrix
- singular value decomposition
- dot product
- covariance matrix
- linearly independent
- symmetric matrix
- product line
- positive definite
- vector space
- scale space
- feature vectors
- adjacency matrix
- low rank
- circular arcs
- missing data
- curvature estimation
- social networks