Approximate inverse-free preconditioners for Toeplitz matrices.

You-Wei Wen Wai-Ki Ching Michael K. Ng

Published in: Appl. Math. Comput. (2011)

Keyphrases

correlation matrix
systems of linear equations
least squares
singular value decomposition
edge preserving
coefficient matrix
data sets
image restoration
pairwise comparison
computer vision
sufficient conditions
iterative methods