Parallel solution of certain toeplitz linear systems
SIAM Journal on Computing
Fundamentals of digital image processing
Fundamentals of digital image processing
SIAM Journal on Matrix Analysis and Applications
Polynomial and matrix computations (vol. 1): fundamental algorithms
Polynomial and matrix computations (vol. 1): fundamental algorithms
Matrix computations (3rd ed.)
Fast inversion of triangular Toeplitz matrices
Theoretical Computer Science - Algebraic and numerical algorithm
Block LU factorization of Hankel and Bezout matrices and Euclidean algorithm
International Journal of Computer Mathematics
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In this paper, we present an algorithm for finding an approximate block diagonalization of complex Hankel matrices. Our method is based on inversion techniques of an upper triangular Toeplitz matrix, specifically, by simple forward substitution. We also consider an approximate block diagonalization of complex Hankel matrices via Schur complementation. An application of our algorithm by calculating the approximate polynomial quotient and remainder appearing in the Euclidean algorithm is also given. We have implemented our algorithms in Matlab. Numerical examples are included. They show the effectiveness of our strategy.