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Diagonal nonlinear transformations preserve structure in covariance and precision matrices.

Rebecca E. MorrisonRicardo BaptistaEstelle L. Basor
Published in: J. Multivar. Anal. (2022)
Keyphrases
  • covariance matrix
  • covariance matrices
  • singular value decomposition
  • real time
  • pairwise
  • artificial neural networks
  • tree structure
  • hierarchical structure
  • average precision
  • symmetric positive definite