ABSTRACT
Since I}, II > IAi I for i = 2, 3, ... , n, the ratios (}cdAI)k ---+ 0 as k ---+ 00, and Eq. (2.48) approaches the limit
Akx = A~CIXI = y(k) (2.49) Equation (2.49) approaches zero if I}'II < 1 and approaches infinity if 1,1.11 > 1. Thus, Eq. (2.49) must be scaled between steps.
