Global convergence of a modified HALS algorithm for nonnegative matrix factorization.
Takumi KimuraNorikazu TakahashiPublished in: CAMSAP (2015)
Keyphrases
- global convergence
- nonnegative matrix factorization
- active set
- convergence rate
- k means
- convergence speed
- cost function
- objective function
- search space
- optimal solution
- particle swarm optimization
- simulated annealing
- hybrid algorithm
- multi objective
- global optimum
- negative matrix factorization
- genetic algorithm
- data clustering
- newton method