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01:21:17 ECS20 - W22 - Lecture 7 (4T): Sets 2 ECS20 - W22 - Lecture 7 (4T): Sets 2	ECS20 - W22 - Lecture 7 (4T): Sets 2 More about sets. Powerset of a set. Cross product of sets. The axiomatic approach to set theory. Languages (sets of strings). sets langauges powerset cross product kleene closure regular language string strings language cross alphabet languages power characters elements length element things comma operator thing b. axioms theory numbers From Phil Rogaway 0 likes 110 plays 0
46:19 ECS 235A Fall Quarter 2021, Lecture 7, October 6,… ECS 235A Fall Quarter 2021, Lecture 7, October 6, 2021	ECS 235A Fall Quarter 2021, Lecture 7, October 6, 2021 This is the video of the seventh lecture. It's crude as I made it from my laptop, as the room has no video recording. I'm sure it is really very amateurish. cipher key letters frequency letter alphabet bits keys frequencies table caesar english alphabets thing period character reason characters couple fact From Matt Bishop 0 likes 24 plays 0
01:00:48 ECS 153, Spring 2021; Lecture #17; May 5, 2021 ECS 153, Spring 2021; Lecture #17; May 5, 2021	ECS 153, Spring 2021; Lecture #17; May 5, 2021 ECS 153 Spring 2021. Computer Security. This covers symmetric key cryptography. The video begins at 7:00 from the beginning. key cipher period text bits des ciphertext keys letters letter bit alphabet block caesar things couple frequency fact length thing From Matt Bishop 0 likes 50 plays 0
04:04 ECS 220 3a:4-5.2 string representation of Turing… ECS 220 3a:4-5.2 string representation of Turing machine	ECS 220 3a:4-5.2 string representation of Turing machine tape machine head configuration position alphabet bits string turing cell strings representation binary circuit zeros symbols log blank content algorithm From David Doty 0 likes 27 plays 0
11:35 ECS 120 9b:4 how to spot undecidability ECS 120 9b:4 how to spot undecidability	ECS 120 9b:4 how to spot undecidability behavior input question algorithm questions problem machine turing examples lines steps proof inputs intuition alphabet syntax notes lecture source stuff From David Doty 0 likes 174 plays 0
11:37 ECS 120 6a:3 single-tape TMs can simulate… ECS 120 6a:3 single-tape TMs can simulate multitape TMs	ECS 120 6a:3 single-tape TMs can simulate multitape TMs tape configuration symbols dot head symbol blank position blanks tapes alphabet transition machine thing x. cell point multi loops dots From David Doty 1 likes 316 plays 0
08:09 ECS 120 5c:3 formal definition of TM syntax ECS 120 5c:3 formal definition of TM syntax	ECS 120 5c:3 formal definition of TM syntax alphabet element tape input gamma function transition sigma start machine delta blank things turing qa elements symbol head range arrow From David Doty 1 likes 247 plays 0
04:39 ECS 120 5c:1 introduction to Turing machines (TM) ECS 120 5c:1 introduction to Turing machines (TM)	ECS 120 5c:1 introduction to Turing machines (TM) machine tape input turing symbol symbols difference machines elements head alphabet memory control bit haldane point language programming universe object From David Doty 1 likes 330 plays 0
06:24 ECS 120 2c:2 formal definition of NFA syntax ECS 120 2c:2 formal definition of NFA syntax	ECS 120 2c:2 formal definition of NFA syntax delta epsilon transition sigma element input power words transitions output difference symbol q. nfa things dfa alphabet function subset dfs From David Doty 1 likes 197 plays 0
04:03 ECS 120 2b:2 formal definition of CFG syntax ECS 120 2b:2 formal definition of CFG syntax	ECS 120 2b:2 formal definition of CFG syntax element variables gamma side terminals rule rules alphabet row sigma variable symbol convention pair string pause start cfg thing terminal From David Doty 1 likes 214 plays 0
04:52 ECS 120 2a:5 example of regex matching double… ECS 120 2a:5 example of regex matching double literals	ECS 120 2a:5 example of regex matching double literals digit dot digits expression thing alphabet left signs string practice epsilons epsilon front beginning exception rules star dock words duct From David Doty 1 likes 159 plays 0
12:59 ECS 120 2a:4 small examples ECS 120 2a:4 small examples	ECS 120 2a:4 small examples errata: At 2:08, I incorrectly identified the set decided by the regex Sigma^* 1 Sigma^*. I said it would be "very similar" to above, but it has an important difference. Assuming Sigma… epsilon star string union strings sigma identity expression symbol words pause concatenation cases alphabet expressions thing algebra middle zeros language From David Doty 1 likes 224 plays 0
10:23 ECS 120 2a:2 regex formal definition ECS 120 2a:2 regex formal definition	ECS 120 2a:2 regex formal definition string symbol expression language parentheses alphabet cases symbols r2 star r1 concatenation base union expressions input syntax definition operator rejects From David Doty 1 likes 219 plays 0
07:19 ECS 120 2a:1 regex introduction ECS 120 2a:1 regex introduction	ECS 120 2a:1 regex introduction errata: At 5:56, I say "or any string that starts with a 1", but I should have said "or any string that ends with a 1." expression star language string sigma strings symbol instructions expressions singleton zeros union computer computation model word alphabet symbols pipe pattern From David Doty 1 likes 274 plays 0
17:51 ECS 120 1a:3 string theory ECS 120 1a:3 string theory	ECS 120 1a:3 string theory strings string length prefix symbols alphabet decision language sigma cardinality sets epsilon languages problem star kind comma answer lot objects From David Doty 1 likes 297 plays 0
04:42 Getting started with Mendeley Getting started with Mendeley	Getting started with Mendeley This is a brief review to identify what software is needed to utilize Mendeley. mozilla firefox world wide web google health sciences chrome operating system internet mozilla web browser and browsing reference works google chrome information retrieval content discovery and search technologies search engine alphabet inc. mendeley import computer desktop tutorial citation management software From Erik Fausak 0 likes 60 plays 0