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A matrix-less method to approximate the spectrum and the spectral function of Toeplitz matrices with real eigenvalues.
Sven-Erik Ekström
Paris Vassalos
Published in:
Numer. Algorithms (2022)
Keyphrases
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least squares
covariance matrix
projection matrices
coefficient matrix
objective function
support vector machine
missing values
singular value decomposition
similarity matrix
linear algebra
spectral features
projection matrix
correlation matrix