A simple algorithm for the rate matrices of level-dependent QBD processes.
Tuan Phung-DucHiroyuki MasuyamaShoji KasaharaYutaka TakahashiPublished in: QTNA (2010)
Keyphrases
- nonnegative matrix factorization
- objective function
- least squares
- times faster
- face recognition
- high accuracy
- single pass
- neural network
- convergence rate
- singular value decomposition
- optimization algorithm
- probabilistic model
- computational cost
- dynamic programming
- np hard
- cost function
- significant improvement
- k means
- search space
- similarity measure