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Divide-and-Conquer Methods for Functions of Matrices with Banded or Hierarchical Low-Rank Structure.
Alice Cortinovis
Daniel Kressner
Stefano Massei
Published in:
SIAM J. Matrix Anal. Appl. (2022)
Keyphrases
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low rank
matrix completion
low rank approximation
high dimensional data
linear combination
high order
dimensionality reduction
missing data
image processing
image restoration
matrix factorization
singular values
matrix decomposition