How exponentially ill-conditioned are contiguous submatrices of the Fourier matrix?

Alex H. Barnett

Published in: CoRR (2020)

Keyphrases

data matrix
fourier transform
singular value decomposition
rows and columns
image restoration
linear algebra
radon transform
neural network
fourier spectrum
coefficient matrix
image reconstruction
frequency domain
multiscale
data sets
low rank
singular values
translation invariant
information systems