In a pushdown automaton P = (Q, E, T, 8, qo, F), a transition of the form, %3D a, X Y p. b. where p, q, e Q, a e Eulɛ}, and X, Ye rU (E}, represents (q. Y) e 8(p, a, X) Consider the following pushdown automaton over the input alphabet Ela, b] and stack alphabet r = (#, A). %3D a, ɛ A b, A E, ɛ# 90 & A A 92 E, E E Start 91

Computer Networking: A Top-Down Approach (7th Edition)
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In a pushdown automaton P = (Q, E. r, 8, q, F), a transition of the form,
a, X → Y
b.
where p, q, e Q, a e Eu{ɛ}, and X, Y e Tu{E), represents (q, Y) E d(p, a, X)
Consider the following pushdown automaton over the input alphabet {{a, b] and stack
alphabet T = (#, A).
%3D
a, ɛ → A
b, A E
E, ɛ →#
91
&, A A
92
Start
3-3'3
93
The number of strings of length 100 accepted by the above pushdown automaton is
Transcribed Image Text:In a pushdown automaton P = (Q, E. r, 8, q, F), a transition of the form, a, X → Y b. where p, q, e Q, a e Eu{ɛ}, and X, Y e Tu{E), represents (q, Y) E d(p, a, X) Consider the following pushdown automaton over the input alphabet {{a, b] and stack alphabet T = (#, A). %3D a, ɛ → A b, A E E, ɛ →# 91 &, A A 92 Start 3-3'3 93 The number of strings of length 100 accepted by the above pushdown automaton is
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