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An improved Polak-Ribière-Polyak conjugate gradient method with an efficient restart direction.

Xianzhen JiangJinbao JianDan SongPengjie Liu
Published in: Comput. Appl. Math. (2021)
Keyphrases
  • conjugate gradient method
  • conjugate gradient
  • objective function
  • computationally efficient
  • positive definite
  • random walk
  • iterative methods
  • particle swarm optimization
  • em algorithm