Orthogonal Laurent polynomials on the unit circle and snake-shaped matrix factorizations.
Ruymán Cruz-BarrosoSteven DelvauxPublished in: J. Approx. Theory (2009)
Keyphrases
- matrix factorization
- collaborative filtering
- orthogonal polynomials
- low rank
- recommender systems
- negative matrix factorization
- active contours
- factorization methods
- nonnegative matrix factorization
- missing data
- active contour model
- data sparsity
- stochastic gradient descent
- series expansion
- b spline
- parallel lines
- basis functions
- data matrix
- matrix multiplication
- objective function
- tensor factorization
- linear combination
- factor matrices
- legendre moments