Permutation matrix: Revision history

16 May 2024

• curprev 20:4420:44, 16 May 2024‎ David Eppstein talk contribs‎ 17,553 bytes +31‎ Ashkan Nikeghbali undo

17 January 2024

• curprev 19:3619:36, 17 January 2024‎ JayBeeEll talk contribs‎ m 17,522 bytes −60‎ →‎Permutation matrices permute rows or columns: oy vey undo
• curprev 19:3319:33, 17 January 2024‎ JayBeeEll talk contribs‎ 17,582 bytes −516‎ more cleanup in lead; remove completely unexplanatory and unencyclopedic "thinking geometrically" statement undo
• curprev 19:3019:30, 17 January 2024‎ JayBeeEll talk contribs‎ 18,098 bytes +15‎ simplify wording undo
• curprev 19:2819:28, 17 January 2024‎ JayBeeEll talk contribs‎ 18,083 bytes −15‎ rv unnecessary piping around redirects, per WP:NOTBROKEN undo
• curprev 19:2719:27, 17 January 2024‎ JayBeeEll talk contribs‎ 18,098 bytes −34‎ Undid revision 1196449173 by 147.142.163.77 (talk) the changed statement is not wrong but it pointlessly complicates a simple statement due to a confusion with another question (namely *how* it permutes the rows/columns) undo Tag: Undo
• curprev 14:5014:50, 17 January 2024‎ 147.142.163.77 talk‎ 18,132 bytes +34‎ Just post-multiplying with $P$ yields the wrong result. C.f. p.ex. the German Wikipedia: <ref>https://de.wikipedia.org/wiki/Permutationsmatrix</ref> undo Tag: Reverted

5 January 2024

• curprev 11:3511:35, 5 January 2024‎ Mazewaxie talk contribs‎ m 18,098 bytes −1‎ formatting undo Tag: AWB

29 December 2023

• curprev 01:4901:49, 29 December 2023‎ LyleRamshaw talk contribs‎ 18,099 bytes −625‎ Added more references to Artin's "Algebra" and decided that it now made sense to remove the "more footnotes" maintenance template. undo

28 December 2023

• curprev 14:2114:21, 28 December 2023‎ AB-Babayo talk contribs‎ 18,724 bytes +27‎ Added free to read link in citations with OAbot #oabot undo Tag: OAbot [2.1]

27 December 2023

• curprev 22:5822:58, 27 December 2023‎ LyleRamshaw talk contribs‎ m 18,697 bytes +1,160‎ added two references to Artin's book "Algebra" and a couple of clarifications undo

26 December 2023

• curprev 18:0318:03, 26 December 2023‎ LyleRamshaw talk contribs‎ 17,537 bytes +997‎ extensive rewrite to clarify the two correspondences between permutations and permutation matrices undo Tag: use of deprecated (unreliable) source

24 December 2022

• curprev 02:4302:43, 24 December 2022‎ Mathnerd314159 talk contribs‎ 16,540 bytes +143‎ Undid revision 1129197376 by Jarfuls of Tweed (talk) - per MOS:FORMULA undo Tag: Undo
• curprev 02:0602:06, 24 December 2022‎ Jarfuls of Tweed talk contribs‎ 16,397 bytes −143‎ Undid revision 1129141358 by JayBeeEll (talk) Same reason as previously (the Wikipedia app does not support <math display=block>, and :<math> is more compact). If you are reverting this, please give a reason why <math display=block> should be preferred. undo Tags: Undo Reverted Mobile edit Mobile app edit Android app edit

23 December 2022

• curprev 19:4119:41, 23 December 2022‎ JayBeeEll talk contribs‎ 16,540 bytes +143‎ Undid revision 1128999508 by Jarfuls of Tweed (talk) don't do this. undo Tags: Undo Reverted
• curprev 02:5202:52, 23 December 2022‎ Jarfuls of Tweed talk contribs‎ m 16,397 bytes −143‎ →‎Properties: modified format to be readable by Wikipedia app darkmode undo Tags: Reverted Mobile edit Mobile app edit Android app edit

10 September 2022

• curprev 06:0406:04, 10 September 2022‎ Materialscientist talk contribs‎ m 16,540 bytes +795‎ Reverted edits by 183.81.126.250 (talk) (HG) (3.4.10) undo Tag: Rollback
• curprev 06:0306:03, 10 September 2022‎ 183.81.126.250 talk‎ 15,745 bytes −795‎ →‎Examples undo Tag: Reverted

3 September 2022

• curprev 01:3401:34, 3 September 2022‎ Citation bot talk contribs‎ 16,540 bytes +16‎ Alter: pages. Add: s2cid. Formatted dashes. | Use this bot. Report bugs. | Suggested by Abductive | Category:Articles lacking in-text citations from August 2022 | #UCB_Category 629/664 undo

21 August 2022

• curprev 21:1921:19, 21 August 2022‎ Arjayay talk contribs‎ m 16,524 bytes −4‎ Duplicate word removed undo
• curprev 20:2420:24, 21 August 2022‎ 2001:569:7fe9:2400:6121:834e:9373:b1cd talk‎ 16,528 bytes +161‎ →‎Properties undo
• curprev 20:2320:23, 21 August 2022‎ 2001:569:7fe9:2400:6121:834e:9373:b1cd talk‎ 16,367 bytes +625‎ →‎Properties: Added citation undo

6 August 2022

• curprev 17:4417:44, 6 August 2022‎ XOR'easter talk contribs‎ 15,742 bytes −392‎ Undid revision 1102583539 by 2601:547:500:6940:D11A:50DC:8EB8:EDC0 (talk): this book is actually self-published on Lulu.com; "Meboo Publishing" is just the author, who got himself a PO Box in Palo Alto undo Tag: Undo

5 August 2022

• curprev 20:3120:31, 5 August 2022‎ 2601:547:500:6940:d11a:50dc:8eb8:edc0 talk‎ 16,134 bytes +392‎ →‎Properties: Added a reference undo Tag: Reverted
• curprev 20:2720:27, 5 August 2022‎ AnomieBOT talk contribs‎ m 15,742 bytes +17‎ Dating maintenance tags: {{Cn}} undo
• curprev 20:0720:07, 5 August 2022‎ JayBeeEll talk contribs‎ 15,725 bytes +36‎ Added {{More footnotes}} tag undo Tag: Twinkle
• curprev 20:0320:03, 5 August 2022‎ JayBeeEll talk contribs‎ 15,689 bytes +72‎ cn, make not false undo
• curprev 19:5919:59, 5 August 2022‎ 2601:547:500:6940:d11a:50dc:8eb8:edc0 talk‎ 15,617 bytes +137‎ →‎Properties undo
• curprev 19:5219:52, 5 August 2022‎ JayBeeEll talk contribs‎ m 15,480 bytes +146‎ colon indents -> display=block, expand "i.e. undo
• curprev 19:4919:49, 5 August 2022‎ XOR'easter talk contribs‎ 15,334 bytes −138‎ Undid revision 1102576930 by 2601:547:500:6940:D11A:50DC:8EB8:EDC0 (talk): yes it does, yes it does, yes it does, and yes it is, respectively undo Tag: Undo
• curprev 19:4619:46, 5 August 2022‎ 2601:547:500:6940:d11a:50dc:8eb8:edc0 talk‎ 15,472 bytes +138‎ Undid revision 1102576766 by JayBeeEll (talk) It does not "elevate" anything above anything, it does not "bury" anything, it does not "obscure" anything, and it's not an "unimportant characterization" undo Tags: Undo Reverted
• curprev 19:4519:45, 5 August 2022‎ JayBeeEll talk contribs‎ 15,334 bytes −138‎ Undid revision 1102576334 by 2601:547:500:6940:D11A:50DC:8EB8:EDC0 (talk) Of course it does -- this paragraph formerly included a very clear statement about the important and nontrivial fact that the inverse of a permutatino matrix is its transpose. Now that's buried below a completely unimportant characterization, which breaks the flow and logic of the explanation! undo Tags: Undo Reverted
• curprev 19:4219:42, 5 August 2022‎ 2601:547:500:6940:d11a:50dc:8eb8:edc0 talk‎ 15,472 bytes +138‎ Undid revision 1102576229 by JayBeeEll (talk) It does not "obscure" anything undo Tags: Undo Reverted
• curprev 19:4219:42, 5 August 2022‎ JayBeeEll talk contribs‎ 15,334 bytes −138‎ Undid revision 1102575623 by 2601:547:500:6940:D11A:50DC:8EB8:EDC0 (talk) yes, that's what I said: it's adding an unimportant piece of information in a way that obscures a much more important piece of information. I would be happy to discuss this further with you on the article talk-page, as suggested by WP:BRD undo Tags: Undo Reverted
• curprev 19:3819:38, 5 August 2022‎ 2601:547:500:6940:d11a:50dc:8eb8:edc0 talk‎ 15,472 bytes +138‎ Undid revision 1102159336 by JayBeeEll (talk) It's not "elevating" anything, it's adding information undo Tags: Undo Reverted

3 August 2022

• curprev 17:2917:29, 3 August 2022‎ JayBeeEll talk contribs‎ 15,334 bytes −138‎ Undid revision 1102057429 by 2601:547:500:6940:A410:1402:7C26:94B1 (talk) this elevates an unimportant detail above the much more important point being made in the paragraph about inverses of permutation matrices undo Tags: Undo Reverted
• curprev 05:1905:19, 3 August 2022‎ 2601:547:500:6940:a410:1402:7c26:94b1 talk‎ 15,472 bytes +138‎ →‎Properties: Added characterization of permutation matrices as the non-negative orthogonal matrices undo Tag: Reverted

25 June 2022

• curprev 07:0707:07, 25 June 2022‎ OlliverWithDoubleL talk contribs‎ m 15,334 bytes −47‎ No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

18 May 2022

• curprev 11:4011:40, 18 May 2022‎ Darcourse talk contribs‎ 15,381 bytes 0‎ →‎Linear algebraic properties: link undo

9 April 2022

• curprev 12:2912:29, 9 April 2022‎ JayBeeEll talk contribs‎ 15,381 bytes +22‎ →‎See also undo
• curprev 12:2712:27, 9 April 2022‎ JayBeeEll talk contribs‎ 15,359 bytes −27‎ Undid revision 1081727501 by 2.36.100.190 (talk) makes no sense in context undo Tag: Undo
• curprev 07:5607:56, 9 April 2022‎ 2.36.100.190 talk‎ 15,386 bytes +27‎ →‎Definition undo Tag: Reverted

7 December 2021

• curprev 22:0722:07, 7 December 2021‎ Joikiw talk contribs‎ 15,359 bytes −1‎ →‎Matrix group: clarified which map is meant and removed statement about a set A that hasn't even been defined. If A was meant to be the image of the map, then the statement |A|= n! is already part of the second paragraph. undo

5 October 2021

• curprev 18:0518:05, 5 October 2021‎ JayBeeEll talk contribs‎ 15,360 bytes 0‎ Undid revision 1048372992 by 88.5.41.242 (talk) e_j is a row vector undo Tag: Undo
• curprev 17:1817:18, 5 October 2021‎ 88.5.41.242 talk‎ 15,360 bytes 0‎ →‎Properties: Correct order undo Tag: Reverted

21 September 2021

• curprev 14:1714:17, 21 September 2021‎ JayBeeEll talk contribs‎ 15,360 bytes −660‎ →‎Permutation of rows and columns: further refine text here using more standard phrasing to hopefully clarify who is on the right of whom; also remove incomprehensible collapsed section undo

19 September 2021

• curprev 23:3123:31, 19 September 2021‎ Us2.71828r talk contribs‎ 16,020 bytes 0‎ →‎Permutation of rows and columns: Fixed error in text— direction of matrix multiplication (e.g. “left” and “right”) were not consistent with mathematical notation undo Tags: Mobile edit Mobile web edit

2 April 2021

• curprev 17:0217:02, 2 April 2021‎ Hellacioussatyr talk contribs‎ 16,020 bytes −4‎ →‎Permutation of rows: Misplaced colon undo Tags: Mobile edit Mobile web edit Advanced mobile edit
• curprev 16:5816:58, 2 April 2021‎ Hellacioussatyr talk contribs‎ 16,024 bytes −27‎ →‎Properties: Matrix/vector formatting undo Tags: Mobile edit Mobile web edit Advanced mobile edit

29 March 2021

• curprev 07:5007:50, 29 March 2021‎ Supyovalk talk contribs‎ m 16,051 bytes +19‎ No edit summary undo