This is a preview. Log in through your library . Abstract Based on the generalized minimal residual (GMRES) principle, Hu and Reichel proposed a minimal residual algorithm for the Sylvester equation.

Mathematics of Computation, Vol. 71, No. 240 (Oct., 2002), pp. 1473-1496 (24 pages) This paper shows that for unitary Hessenberg matrices the QR algorithm, with (an exceptional initial-value ...