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Eigenvalue superposition expansion for Toeplitz matrix-sequences, generated by linear combinations of matrix-order dependent symbols, and applications to fast eigenvalue computations.
M. Bogoya
Stefano Serra Capizzano
Published in:
CoRR (2021)
Keyphrases
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linear combination
perturbation theory
covariance matrix
low rank
least squares
eigenvalue problems
correlation matrix
symmetric matrix
low order
small number
square matrices
systems of linear equations
basis functions
marginal distributions
weighted sum
higher order
hidden markov models