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slide 1 costas busch - lsu1 non-deterministic finite automata slide 2 costas busch - lsu2 alphabet = nondeterministic finite automaton (nfa) slide 3 costas busch - lsu3 no…
csc312 automata theory lecture # 2 languages courtesy costas busch - rpi * alphabets: an alphabet is a finite set of symbols, usually letters, digits, and punctuations. valid/in-valid…
slide 1 costas busch - rpi1 npdas accept context-free languages slide 2 costas busch - rpi2 context-free languages (grammars) languages accepted by npdas theorem: slide 3…
costas busch - lsu * properties of context-free languages costas busch - lsu * costas busch - lsu * context-free languages are closed under: union is context free is context…
1 other models of computation costas busch - lsu 2 models of computation: turing machines recursive functions post systems rewriting systems costas busch - lsu 3 church’s…
costas busch - lsu * languages costas busch - lsu costas busch - lsu * language: a set of strings string: a sequence of symbols from some alphabet example: strings: cat,…
costas busch - lsu * a universal turing machine costas busch - lsu costas busch - lsu * turing machines are âhardwiredâ they execute only one program a limitation of turing…
slide 1 costas busch - rpi1 positive properties of context-free languages slide 2 costas busch - rpi2 context-free languages are closed under: union is context free is context-free…
slide 1 costas busch - rpi1 more applications of the pumping lemma slide 2 costas busch - rpi2 the pumping lemma: given a infinite regular language there exists an integer…
costas busch - lsu1 pumping lemma for context-free languages costas busch - lsu2 take an infinite context-free language example: generates an infinite number of different…
slide 1 costas busch - rpi1 single final state for nfas slide 2 costas busch - rpi2 any nfa can be converted to an equivalent nfa with a single final state slide 3 costas…
slide 1 costas busch - rpi1 the pumping lemma for context-free languages slide 2 costas busch - rpi2 take an infinite context-free language example: generates an infinite…
slide 1 costas busch - rpi1 undecidable problems for recursively enumerable languages continued… slide 2 costas busch - rpi2 is empty? is finite? contains two different…
slide 1finite-state machines with no output ying lu based on slides by elsa l gunter, njit, costas busch costas busch, and longin jan latecki, temple university slide 2 kleene…
slide 1 1 csci 2400 section 3 models of computation instructor: costas busch slide 2 2 computation cpu input memory output memory program memory temporary memory slide 3…
turing machines (12.5) longin jan latecki temple university based on slides by costas busch from the course http://www.cs.rpi.edu/courses/spring05/modcomp/ and … dfa…
slide 1 slide 2 1 turing machines (13.5) longin jan latecki temple university based on slides by costas busch from the coursecostas busch http://www.cs.rpi.edu/courses/spring05/modcomp/…
slide 1 courtesy costas buch - rpi1 simplifications of context-free grammars slide 2 courtesy costas buch - rpi2 a substitution rule substitute equivalent grammar slide 3…
3 distributed counting some processors request a counter value count
language recognition (11.4) and turing machines (11.5) longin jan latecki temple university based on slides by costas busch from the course http://www.cs.rpi.edu/courses/spring05/modcomp/…