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ℋ-Matrix approximation for the operator exponential with applications.

Ivan P. GavrilyukWolfgang HackbuschBoris N. Khoromskij
Published in: Numerische Mathematik (2002)
Keyphrases
  • matrix approximation
  • least squares
  • approximation error
  • maximum entropy
  • low rank matrix approximation
  • theoretical guarantees
  • bregman divergences
  • training set
  • semi supervised