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An efficient gradient method with approximately optimal stepsizes based on regularization models for unconstrained optimization.
Zexian Liu
Wangli Chu
Hongwei Liu
Published in:
RAIRO Oper. Res. (2022)
Keyphrases
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gradient method
unconstrained optimization
derivative free
approximately optimal
optimization methods
convergence rate
neural network
step size
trust region
objective function
constrained optimization
penalty function
computational complexity
principal component analysis
text mining
negative matrix factorization