Mackens and Voss [8,9] presented two generalizations of a method of Cybenko
and Van Loan [4] for computing the smallest eigenvalue of a symmetric, pos
itive-definite Toeplitz matrix. Taking advantage of the symmetry or skew-sy
mmetry of the corresponding eigenvector both methods are improved considera
bly. (C) 1999 Elsevier Science Inc. All rights reserved.