Umatch: Matching of Orthogonal Matrices for Cayley transforms
Description
This function matches an orthogonal matrix to the importance of the
columns of the matrix to which it should be matched.References
Boswijk, H. Peter and van der Weide, Roy (2009), Method of Moments
Estimation of GO-GARCH Models, Working Paper, University of
Amsterdam, Tinbergen Institute and World Bank.
Liebeck, H. and Osborne, A. (1991), The Generation of All Rational
Orthogonal Matrices, The American Mathematical Monthly,
98 (2) (Feb. 1991), 131 -- 133.