Search for tag: "decidable"

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ECS 120 4c:1 NFAs can simulate regex_s proof duration 8 minutes 18 seconds ECS 120 4c:1 NFAs can simulate regex_s proof ECS 120 4c:1 NFAs can simulate regex_s proof	ECS 120 4c:1 NFAs can simulate regex_s proof nfa cases expressions language union base expression r2 string star languages r1 element symbol sigma input decidable proof b. concatenation From David Doty 1 likes 202 plays 0
ECS 120 4b:4 right-regular versus left-regular… duration 4 minutes 49 seconds ECS 120 4b:4 right-regular versus left-regular… ECS 120 4b:4 right-regular versus left-regular grammars	ECS 120 4b:4 right-regular versus left-regular grammars grammar rules language epsilon form rule nfa decidable prime context strings dfa languages variable definition productions sequence reverse terminal grandma From David Doty 1 likes 170 plays 0
ECS 120 4a:4 handling epsilon-transitions duration 6 minutes 50 seconds ECS 120 4a:4 handling epsilon-transitions ECS 120 4a:4 handling epsilon-transitions	ECS 120 4a:4 handling epsilon-transitions epsilon transitions transition input subset symbols thing decidable language construction fact delta q. r. point terminology grammar languages definitions means From David Doty 1 likes 240 plays 0
ECS 120 3b:2 gotchas-multiple union or… duration 8 minutes 45 seconds ECS 120 3b:2 gotchas-multiple union or… ECS 120 3b:2 gotchas-multiple union or intersection	ECS 120 3b:2 gotchas-multiple union or intersection union dfa string language languages d1 intersection d2 closure star input start switch decidable strings problem concatenation ability gotcha thing From David Doty 1 likes 280 plays 0
ECS 120 3a:1 automatic transformation of regex_s… duration 8 minutes 51 seconds ECS 120 3a:1 automatic transformation of regex_s… ECS 120 3a:1 automatic transformation of regex_s NFAs, DFAs	ECS 120 3a:1 automatic transformation of regex_s NFAs, DFAs dfa language languages operation complement sense b. operations compliment models room class intersection union decidable prime processing problem fact star From David Doty 1 likes 321 plays 0
ECS 120 1c:3 formal definition of DFA semantics duration 11 minutes 16 seconds ECS 120 1c:3 formal definition of DFA semantics ECS 120 1c:3 formal definition of DFA semantics	ECS 120 1c:3 formal definition of DFA semantics dfa sequence input string symbol decidable step place delta word language definition sigma transition steps q0 length star start memory From David Doty 1 likes 277 plays 0