(a) For a difference equation of the form Nt11 fsNtd, calculate the composition s f 8 f
Chapter 1, Problem 26(choose chapter or problem)
(a) For a difference equation of the form Nt11 fsNtd, calculate the composition s f 8 f dsNtd. What is the meaning of f 8 f in this context? (b) If Nt11 fsNtd, where f is one-to-one, what is f 21 sNt11d? What is the meaning of the inverse function f 21 in this context?
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