An Adaptive Accelerated Proximal Gradient Method and its Homotopy Continuation for Sparse Optimization.

Qihang Lin Lin Xiao

Published in: ICML (2014)

Keyphrases

gradient method
derivative free
optimization methods
convergence rate
optimization problems
step size
negative matrix factorization
optimization algorithm
optimization method
convex formulation
neural network
sparse representation
global optimization
feature selection
high dimensional
natural language processing