Sudoku solving algorithms: Revision history

13 May 2024

• curprev 01:5301:53, 13 May 2024‎ MarkH21 talk contribs‎ 14,880 bytes −172‎ →‎See also: neither section exists undo Tags: Mobile edit Mobile web edit Advanced mobile edit

19 April 2024

• curprev 03:0503:05, 19 April 2024‎ MiroIdeas talk contribs‎ m 15,052 bytes +2‎ Punctuation undo Tags: Visual edit Mobile edit Mobile web edit

10 March 2024

• curprev 01:3001:30, 10 March 2024‎ Rgdboer talk contribs‎ m 15,050 bytes +4‎ →‎Relations and residuals: Partial function → Univalent relation undo

18 December 2023

• curprev 16:1416:14, 18 December 2023‎ 130.92.255.36 talk‎ 15,046 bytes 0‎ →‎{{anchor|Sudoku brute force}}Backtracking undo

15 November 2023

• curprev 20:1620:16, 15 November 2023‎ Billinghurst talk contribs‎ 15,046 bytes −132‎ rm link spam, see WP:EL undo

28 September 2023

• curprev 20:2020:20, 28 September 2023‎ Tropicalkitty talk contribs‎ m 15,178 bytes +813‎ Undid edits by 2600:4041:529C:5800:9D96:B256:77CB:B59B (talk) to last revision by 2600:1700:8870:B6D0:FAC7:DAEE:6618:A9C7 undo Tags: Undo SWViewer [1.4]
• curprev 20:2020:20, 28 September 2023‎ 2600:4041:529c:5800:9d96:b256:77cb:b59b talk‎ 14,365 bytes −813‎ by Sudoku Solver undo Tags: Reverted Mobile edit Mobile web edit

11 September 2023

• curprev 01:4801:48, 11 September 2023‎ 2600:1700:8870:b6d0:fac7:daee:6618:a9c7 talk‎ 15,178 bytes +1‎ →‎Backtracking: Fixed typo undo Tags: Mobile edit Mobile web edit

8 August 2023

• curprev 12:1412:14, 8 August 2023‎ MrOllie talk contribs‎ 15,177 bytes −1,646‎ No edit summary undo Tag: Undo
• curprev 09:3309:33, 8 August 2023‎ Sisima70 talk contribs‎ 16,823 bytes −38‎ →‎Exact cover: The verification passes as of this edit (I also archived the current page version in the Internet Archive). undo

25 July 2023

• curprev 09:1409:14, 25 July 2023‎ Citation bot talk contribs‎ 16,861 bytes −30‎ Alter: template type. Removed parameters. | Use this bot. Report bugs. | #UCB_CommandLine undo

4 July 2023

• curprev 22:3422:34, 4 July 2023‎ PedroContipelli talk contribs‎ m 16,891 bytes +148‎ Added more sources undo Tags: Reverted Visual edit
• curprev 22:2922:29, 4 July 2023‎ PedroContipelli talk contribs‎ 16,743 bytes +1,498‎ Added information on human solving techniques undo Tags: Reverted Visual edit

3 July 2023

• curprev 20:1120:11, 3 July 2023‎ MrOllie talk contribs‎ 15,245 bytes −1,933‎ Reverted 1 edit by PedroContipelli (talk): Rv, still full of crap sources undo Tags: Twinkle Undo
• curprev 20:1120:11, 3 July 2023‎ PedroContipelli talk contribs‎ 17,178 bytes +1,933‎ Undid revision 1163246952 by MrOllie (talk) undo Tags: Undo Reverted
• curprev 19:4519:45, 3 July 2023‎ MrOllie talk contribs‎ 15,245 bytes −1,933‎ Restored revision 1162668248 by AnomieBOT (talk): Rv youtube, wikis, and other unreliable sources undo Tags: Twinkle Undo Reverted
• curprev 19:4219:42, 3 July 2023‎ PedroContipelli talk contribs‎ 17,178 bytes +1,771‎ Added notes on human solvability and techniques. Also improved clarity of article introduction. undo Tags: Reverted Visual edit
• curprev 18:1218:12, 3 July 2023‎ PedroContipelli talk contribs‎ m 15,407 bytes +162‎ Added citation for proper sudokus having only 1 unique solution. undo Tags: Reverted Visual edit

30 June 2023

• curprev 13:3413:34, 30 June 2023‎ AnomieBOT talk contribs‎ m 15,245 bytes +15‎ Dating maintenance tags: {{Dubious}} undo
• curprev 13:1413:14, 30 June 2023‎ MFH talk contribs‎ 15,230 bytes +11‎ →‎{{anchor|Sudoku brute force}}Backtracking: I don't think the solving time of brute force is unrelated to difficulty -- which is equivalent to who far you can go with trials before they are refuted undo

19 June 2023

• curprev 14:1514:15, 19 June 2023‎ Trappist the monk talk contribs‎ m 15,219 bytes −114‎ cite repair; undo

16 November 2022

• curprev 17:4317:43, 16 November 2022‎ 2a01:c23:6163:d00:d59f:cb90:33bd:907e talk‎ 15,333 bytes +1,406‎ →‎{{anchor|Sudoku brute force}}Backtracking: added an alternative approach w/ symbol distribution patterns undo

15 September 2022

• curprev 16:3316:33, 15 September 2022‎ AnomieBOT talk contribs‎ m 13,927 bytes +20‎ Dating maintenance tags: {{Citation needed}} undo
• curprev 14:3314:33, 15 September 2022‎ 138.251.30.80 talk‎ 13,907 bytes +19‎ No edit summary undo

22 August 2022

• curprev 17:0117:01, 22 August 2022‎ MrOllie talk contribs‎ 13,888 bytes −3,359‎ →‎Developing (searching for) Sudokus: only source for this section is a forum posting undo Tag: Visual edit

17 August 2022

• curprev 04:3104:31, 17 August 2022‎ 67.185.158.8 talk‎ 17,247 bytes +154‎ Description and link for Exact cover solving algorithm undo Tag: Visual edit

1 June 2022

• curprev 21:3621:36, 1 June 2022‎ Dobrichev talk contribs‎ m 17,093 bytes +38‎ No edit summary undo
• curprev 19:4519:45, 1 June 2022‎ 67.185.158.8 talk‎ 17,055 bytes 0‎ No edit summary undo
• curprev 19:4319:43, 1 June 2022‎ 67.185.158.8 talk‎ 17,055 bytes +159‎ No edit summary undo

20 April 2022

• curprev 09:4009:40, 20 April 2022‎ Squoop talk contribs‎ m 16,896 bytes +1‎ →‎Constraint programming: Fix typo. undo

10 December 2021

• curprev 00:2400:24, 10 December 2021‎ WikiCleanerBot talk contribs‎ m 16,895 bytes 0‎ v2.04b - Bot T20 CW#61 - Fix errors for CW project (Reference before punctuation) undo Tag: WPCleaner

30 November 2021

• curprev 15:1115:11, 30 November 2021‎ Martinfreedman talk contribs‎ m 16,895 bytes +427‎ →‎Constraint programming: Added Peter Norvig Constraint Propagation in Python page (relevant here as well as previously) and Rosseta Code F# implementation with source code and timings undo Tag: Visual edit

7 October 2021

• curprev 08:0608:06, 7 October 2021‎ Memoric 2000 talk contribs‎ m 16,468 bytes −2‎ →‎Developing (searching for) Sudokus undo

27 August 2021

• curprev 03:5003:50, 27 August 2021‎ Rgdboer talk contribs‎ m 16,470 bytes −2‎ →‎Relations and residuals: c/e undo
• curprev 03:4903:49, 27 August 2021‎ Rgdboer talk contribs‎ m 16,472 bytes +13‎ →‎Relations and residuals: compatible arrangements undo

24 August 2021

• curprev 16:2716:27, 24 August 2021‎ Rgdboer talk contribs‎ 16,459 bytes +63‎ →‎Relations and residuals: factors described undo

12 August 2021

• curprev 04:1404:14, 12 August 2021‎ Rgdboer talk contribs‎ m 16,396 bytes 0‎ →‎Relations and residuals: c/e undo

11 August 2021

• curprev 03:5703:57, 11 August 2021‎ Rgdboer talk contribs‎ 16,396 bytes +246‎ →‎Relations and residuals: re arrangements, lk Set complement undo

8 August 2021

• curprev 18:3018:30, 8 August 2021‎ Rgdboer talk contribs‎ m 16,150 bytes 0‎ →‎Relations and residuals: lk Partial permutation undo

7 August 2021

• curprev 03:2603:26, 7 August 2021‎ Rgdboer talk contribs‎ m 16,150 bytes +129‎ →‎Relations and residuals: lk Index set, Permutation, use \backslash undo

6 August 2021

• curprev 04:1704:17, 6 August 2021‎ Rgdboer talk contribs‎ m 16,021 bytes +2‎ →‎Relations and residues: ch to residuals undo
• curprev 04:1304:13, 6 August 2021‎ Rgdboer talk contribs‎ 16,019 bytes +1,098‎ →‎Exact cover: nss Relations and residues undo

29 June 2021

• curprev 13:4413:44, 29 June 2021‎ 2a02:a03f:c9cc:b200:f544:223d:91e4:6b28 talk‎ 14,921 bytes +34‎ →‎Exact cover: add need for citation undo

16 May 2021

• curprev 17:5917:59, 16 May 2021‎ 87.156.22.149 talk‎ 14,887 bytes −5‎ Every not only most 9x9 sudokus are solved in fractions of seconds with regular notebooks / smrtphones. undo

30 January 2021

• curprev 14:0414:04, 30 January 2021‎ TheRiseOfSkittlez talk contribs‎ 14,892 bytes +1‎ →‎Constraint programming: Does "be bold" cover pedancy? undo Tags: Mobile edit Mobile web edit Advanced mobile edit

9 January 2021

• curprev 11:0811:08, 9 January 2021‎ Tacyarg talk contribs‎ 14,891 bytes −84‎ Reverted good faith edits by 223.24.153.180 (talk): Removing empty citation undo Tags: Twinkle Undo
• curprev 10:0910:09, 9 January 2021‎ 223.24.153.180 talk‎ 14,975 bytes +84‎ No edit summary undo Tags: Reverted Mobile edit Mobile web edit

15 December 2020

• curprev 19:3519:35, 15 December 2020‎ Jajhall talk contribs‎ m 14,891 bytes +12‎ →‎Stochastic search / optimization methods: As I suspected, the use of the term "non-proper" for Sudokus with a unique solution is incorrect. On the contrary, it should be "proper" - see https://en.wikipedia.org/wiki/Mathematics_of_Sudoku undo
• curprev 19:2819:28, 15 December 2020‎ Jajhall talk contribs‎ m 14,879 bytes +374‎ →‎Stochastic search / optimization methods: The simplex algorithm cannot reasonably be considered to provide "the set of answers when there is more than one solution." I've deleted this and added some observation on what happens if the simplex algorithm is applied to a Sudoku with nonunique solution, as well as observations on the use of LP presolve algorithms to solve proper Sudoku. I have several award-winning academic papers on the simplex method, so know my stuff! undo
• curprev 02:0202:02, 15 December 2020‎ 71.237.212.69 talk‎ 14,505 bytes −4‎ Grammar undo Tags: Mobile edit Mobile web edit