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2.3 Nonlinear State-Variable Systems 35
known to be invertible so that
or
(1)
where
Discrete-Time Systems
A nonlinear, scalar, discrete-time, time-invariant system is described by a
nonlinear, scalar, constant-coefficient difference equation such as,
(2.3.6)
where y(.) and u are as defined before. A simple choice of state variables will
lead to
(2.3.7)
or, more compactly, as
Copyright © 2004 by Marcel Dekker, Inc.
