A Characterization of Nonnegative Box-Greedy Matrices.
Ulrich FaigleAlan J. HoffmanWalter KernPublished in: SIAM J. Discret. Math. (1996)
Keyphrases
- data matrix
- factor matrices
- matrix factorization
- greedy algorithm
- feature selection
- nonnegative matrix factorization
- matrix approximation
- singular value decomposition
- objective function
- dynamic programming
- linear programming
- matrix representation
- hill climbing
- gene expression data
- search space
- gaussian convolution
- matrix factorisation
- tensor factorization
- coefficient matrix
- neural network
- positive definite
- singular values
- covariance matrices
- missing values
- collaborative filtering
- search algorithm
- learning algorithm