The g-theorem matrices are totally nonnegative.
Michael BjörklundAlexander EngströmPublished in: J. Comb. Theory, Ser. A (2009)
Keyphrases
- data matrix
- factor matrices
- nonnegative matrix factorization
- singular value decomposition
- matrix approximation
- linear programming
- matrix factorization
- singular values
- objective function
- barcode
- least squares
- missing values
- sufficient conditions
- pairwise comparison
- linear complementarity problem
- real time
- kronecker product
- symmetric positive definite
- matrix decomposition
- coefficient matrix
- projection matrices
- projection matrix
- original data
- positive definite
- linear algebra
- gene expression data
- low rank