Search for tag: "dfa"

41 Media

07:19 ECS 120 5a:5 corollary of Myhill-Nerode Theorem… ECS 120 5a:5 corollary of Myhill-Nerode Theorem we use and its proof	ECS 120 5a:5 corollary of Myhill-Nerode Theorem we use and its proof delta hat equivalence classes dfa l. corollary point sequence strings notation input sigma contrapositive language d. cardinality class string extension From David Doty 0 likes 117 plays 0
03:53 ECS 120 5a:4 statement of Myhill-Nerode Theorem ECS 120 5a:4 statement of Myhill-Nerode Theorem	ECS 120 5a:4 statement of Myhill-Nerode Theorem equivalence classes relation fact respect key b. string strings language dfa road myelin theorem reason extension eye argument zeros end From David Doty 0 likes 163 plays 0
11:34 ECS 120 6a:1 languages decided-recognized by TMs ECS 120 6a:1 languages decided-recognized by TMs	ECS 120 6a:1 languages decided-recognized by TMs turing machine strings terrain language term machines algorithm languages string dfa problem word input definition algorithms answer accept loop lot From David Doty 1 likes 279 plays 0
14:55 ECS 120 5c:4 formal definition of TM semantics ECS 120 5c:4 formal definition of TM semantics	ECS 120 5c:4 formal definition of TM semantics errata: At 4:38, I incorrectly said and wrote that L,R,S correspond to +1, -1, and 0. They correspond to -1, +1, and 0, i.e., moving left (L) decrements (-1) the tape head position, and moving right… tape configuration position turing symbol machine sequence prime head delta input content move configurations leftmost string semantics dfa constraints words From David Doty 1 likes 223 plays 0
07:43 ECS 120 5b:2 pumping lemma proof that 0n1n is not… ECS 120 5b:2 pumping lemma proof that 0n1n is not regular	ECS 120 5b:2 pumping lemma proof that 0n1n is not regular lemma zeros language length symbols strings p. dfa boilerplate b. string pumping condition thing piece contradiction proof idea bit lot From David Doty 1 likes 239 plays 0
05:30 ECS 120 5b:1 pumping lemma for regular languages ECS 120 5b:1 pumping lemma for regular languages	ECS 120 5b:1 pumping lemma for regular languages lemma length symbols dfa proof languages lines integers p. language proofs idea subroutine parts thing function tax lot words piece From David Doty 1 likes 108 plays 0
06:58 ECS 120 5a:4 direct proof that uu is not regular ECS 120 5a:4 direct proof that uu is not regular	ECS 120 5a:4 direct proof that uu is not regular string language half zeros symbols dfa proof equals reason element g. p. repetitions reasoning parts fact words statement difference answer From David Doty 1 likes 63 plays 0
03:34 ECS 120 5a:3 picture of previous proof ECS 120 5a:3 picture of previous proof	ECS 120 5a:3 picture of previous proof dfa zeros b. string run proof effort rest visitations urine sense dfs round fact stapes visits diagrams bit From David Doty 1 likes 61 plays 0
17:39 ECS 120 5a:2 direct proof that equal zero-one is… ECS 120 5a:2 direct proof that equal zero-one is not regular	ECS 120 5a:2 direct proof that equal zero-one is not regular string zeros delta hat dfa sequence w. answer p. words language cycle xyz q0 substring element symbol copy rest qi From David Doty 1 likes 82 plays 0
08:16 ECS 120 5a:1 why we need rigor to argue that a… ECS 120 5a:1 why we need rigor to argue that a language is not regular	ECS 120 5a:1 why we need rigor to argue that a language is not regular zeros dfa strings string symbol language instance difference form prime times x. substring languages fact starting argument point runs substrings From David Doty 1 likes 186 plays 0
06:39 ECS 120 4b:3 NFAs can simulate RRGs proof ECS 120 4b:3 NFAs can simulate RRGs proof	ECS 120 4b:3 NFAs can simulate RRGs proof epsilon dfa nfa grammar construction rules g. language rule arrow parts start variables sigma transitions terminal variable gamma row determinism From David Doty 1 likes 162 plays 0
04:49 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 137 plays 0
05:16 ECS 120 4b:2 RRGs can simulate DFAs proof ECS 120 4b:2 RRGs can simulate DFAs proof	ECS 120 4b:2 RRGs can simulate DFAs proof string rule sequence production d. start transition computation variable subset rules epsilon values g. grammar dfa symbol hindi pre definition From David Doty 1 likes 159 plays 0
07:11 ECS 120 4b:1 RRGs can simulate DFAs example ECS 120 4b:1 RRGs can simulate DFAs example	ECS 120 4b:1 RRGs can simulate DFAs example variable dfa grammar rules context transitions language variables rule transition input power terminal epsilon form grammars nfa point p. t. From David Doty 1 likes 261 plays 0
04:40 ECS 120 4a:5 alternative choices in subset… ECS 120 4a:5 alternative choices in subset construction	ECS 120 4a:5 alternative choices in subset construction transitions epsilon input delta transition subset start algorithm construction dfa unions function singleton choices problem bridges wood autograder homework language From David Doty 1 likes 153 plays 0
07:43 ECS 120 4a:3 proof DFAs can simulate NFAs with no… ECS 120 4a:3 proof DFAs can simulate NFAs with no epsilon-transitions	ECS 120 4a:3 proof DFAs can simulate NFAs with no epsilon-transitions delta input dfa capital nfa union sets subsets subset function transition epsilon notes lecture queue b. comma letters pause qd From David Doty 1 likes 187 plays 0