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Momentum-Based Variance-Reduced Proximal Stochastic Gradient Method for Composite Nonconvex Stochastic Optimization.
Yangyang Xu
Yibo Xu
Published in:
J. Optim. Theory Appl. (2023)
Keyphrases
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stochastic optimization
gradient method
convergence rate
learning rate
multistage
step size
convex optimization
optimization methods
negative matrix factorization
global optimization
robust optimization
convergence speed
feature extraction
objective function
evolutionary algorithm