Search for tag: "halts"

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11:33 ECS 220 6b:7.2-3 computable enumerability ECS 220 6b:7.2-3 computable enumerability	ECS 220 6b:7.2-3 computable enumerability proof input numbers p. characterization w. inputs steps enumerator amount problems loop direction verifier halts answer instance fact problem np From David Doty 0 likes 28 plays 0
08:46 ECS 220 6b:7.2-2 showing problems are undecidable… ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem	ECS 220 6b:7.2-2 showing problems are undecidable by reduction from halting problem input problem epsilon question string thing reduction problems halts output behavior lot divisor x. function notion circuit numbers proof condition From David Doty 0 likes 74 plays 0
06:00 ECS 220 6b:7.2-1 halting problem ECS 220 6b:7.2-1 halting problem	ECS 220 6b:7.2-1 halting problem input halts catch-22 programs inputs source problem table contradiction proof string rows coder diagonalization kind subroutine algorithm problems class output From David Doty 0 likes 44 plays 0
08:16 ECS 220 4c:6.3-2 definition of artificial problem… ECS 220 4c:6.3-2 definition of artificial problem Catch22	ECS 220 4c:6.3-2 definition of artificial problem Catch22 problem input catch-22 steps source diagonalization programs output inputs definition length boolean decision function answer technique times halts shortcuts g. From David Doty 0 likes 18 plays 0
02:44 ECS 220 4b:6.1-1 time constructible functions ECS 220 4b:6.1-1 time constructible functions	ECS 220 4b:6.1-1 time constructible functions function string input machine n. length words sort constructable cetera steps outputs bounds functions t. theorems problem halts turing times From David Doty 0 likes 23 plays 0
09:09 ECS 120 10b:3 diagonalization to show the halting… ECS 120 10b:3 diagonalization to show the halting problem is undecidable	ECS 120 10b:3 diagonalization to show the halting problem is undecidable input algorithm string source diagonalization halts argument inputs object loop loops programs opposite function definition contradiction problem diagonal row kth From David Doty 0 likes 170 plays 0
06:47 ECS 120 9b:3 rejecting problem is undecidable ECS 120 9b:3 rejecting problem is undecidable	ECS 120 9b:3 rejecting problem is undecidable input epsilon algorithm halts problem string machine turing property thing contradiction behavior step age dancer ar dmd tm boilerplate rest From David Doty 0 likes 161 plays 0
07:38 ECS 120 9b:2 empty language problem is undecidable ECS 120 9b:2 empty language problem is undecidable	ECS 120 9b:2 empty language problem is undecidable epsilon input string inputs algorithm halts m. behavior problem machine tm answer function contradiction turing language algorithms definition lot difference From David Doty 0 likes 368 plays 0
08:28 ECS 120 9b:1 acceptance problem is undecidable ECS 120 9b:1 acceptance problem is undecidable	ECS 120 9b:1 acceptance problem is undecidable input algorithm string epsilon halts tm a. w. words contradiction problem definition loops function object m. inputs machine turing kind From David Doty 0 likes 271 plays 0
03:14 ECS 120 9a:4 recipe for showing undecidability ECS 120 9a:4 recipe for showing undecidability	ECS 120 9a:4 recipe for showing undecidability problem behavior algorithm string input halts things ability words tm m. epsilon put undecidability recipe bit problems pattern From David Doty 0 likes 204 plays 0
15:57 ECS 120 9a:3 no-input halting problem is… ECS 120 9a:3 no-input halting problem is undecidable	ECS 120 9a:3 no-input halting problem is undecidable input epsilon algorithm halts problem function string machine w. contradiction turing point thing inputs python paltz sense behavior constants answer From David Doty 0 likes 309 plays 0
08:41 ECS 120 9a:1 halting problem definition and… ECS 120 9a:1 halting problem definition and Turing-recognizability	ECS 120 9a:1 halting problem definition and Turing-recognizability algorithm input function halts string recognizer python w. language answer problem chapter symbols instance algorithms count a. occurrences candidate lecture From David Doty 0 likes 222 plays 0