Gradient Descent with Random Initialization: Fast Global Convergence for Nonconvex Phase Retrieval.
Yuxin ChenYuejie ChiJianqing FanCong MaPublished in: CoRR (2018)
Keyphrases
- global convergence
- global optimum
- globally convergent
- objective function
- convergence analysis
- optimization methods
- convergence rate
- convergence speed
- constrained optimization problems
- information retrieval
- convex minimization
- coordinate ascent
- optimization problems
- line search
- image retrieval
- step size
- particle swarm
- cost function
- newton method
- global optimization
- hybrid algorithm
- variational inequalities
- gauss newton
- multi objective
- neural network