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Comment on 'Preconditioning of matrices partitioned in 2 Π2 block form: Eigenvalue estimates and Schwarz DD for mixed FEM' by Owe Axelsson, Radim Blaheta.

Zhi-Hao Cao
Published in: Numer. Linear Algebra Appl. (2013)
Keyphrases
  • finite element
  • least squares
  • multiscale
  • boundary conditions
  • edge preserving
  • correlation matrix
  • coefficient matrix
  • perturbation theory
  • image processing
  • feature space
  • singular value decomposition
  • linear systems