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How to choose the signature operator such that the periodic pseudo-Jacobi inverse eigenvalue problem is solvable?
Wei-Ru Xu
Yi Gong
Natália Bebiano
Guo-Liang Chen
Published in:
Appl. Math. Lett. (2022)
Keyphrases
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correlation matrix
special case
np complete
covariance matrix
computational complexity
least squares
signature verification
np hard
blind signature scheme
singular value decomposition
fuzzy sets
signature scheme
feature extraction
signature recognition
information systems
scale and rotation invariant
data sets