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Analyzing the wave number dependency of the convergence rate of a multigrid preconditioned Krylov method for the Helmholtz equation with an absorbing layer.

Bram RepsWim Vanroose
Published in: Numer. Linear Algebra Appl. (2012)
Keyphrases
  • convergence rate
  • computationally efficient
  • gradient method
  • cost function
  • convergence speed
  • step size
  • numerical stability
  • significant improvement
  • particle swarm optimization algorithm
  • primal dual