Imaginary unit: Revision history

10 October 2024

• curprev 21:3521:35, 10 October 2024 JBW talk contribs 30,218 bytes +249 Restoring earlier wording. It is essential to the point here that the difference is merely a convention about what things are called, with no objective meaning. That may be obvious to mathematicians, but for most people it probably needs spelling out. undo

8 October 2024

• curprev 17:5917:59, 8 October 2024 Quantling talk contribs 29,969 bytes −243 →{{math|i}} vs. {{math|−i}}: Also depends upon the convention that reals=x, imaginaries=y. Instead of defining "argument" here, let the interested reader follow the wikilink to Argument (complex analysis) undo

1 October 2024

• curprev 12:0312:03, 1 October 2024 DVdm talk contribs 30,212 bytes −151 Restored revision 1247831391 by 177.248.154.147 (talk): Remove distracting wp:easteregg undo Tags: Twinkle Undo
• curprev 11:5011:50, 1 October 2024 177.248.152.143 talk 30,363 bytes +1 No edit summary undo Tag: Reverted
• curprev 11:4711:47, 1 October 2024 177.248.152.143 talk 30,362 bytes +150 No edit summary undo Tag: Reverted

26 September 2024

• curprev 07:2107:21, 26 September 2024 177.248.154.147 talk 30,212 bytes 0 →Proper use undo

7 September 2024

• curprev 18:5318:53, 7 September 2024 JayBeeEll talk contribs 30,212 bytes +8 →{{mvar|i}} vs. {{mvar|−i}}: mvar does not behave appropriately in the ToC for some reason; also the minus sign should not be italicized undo

3 September 2024

• curprev 04:3004:30, 3 September 2024 InternetArchiveBot talk contribs 30,204 bytes +262 Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.9.5 undo

2 September 2024

• curprev 03:0503:05, 2 September 2024 Sbb talk contribs m 29,942 bytes +19 →''i'' vs. −''i'': {{mvar}} for section heading formatting; {{em}} instead of italics for emphasis text undo Tag: 2017 wikitext editor

22 August 2024

• curprev 10:4610:46, 22 August 2024 The Anome talk contribs 29,923 bytes +40 →Exponential and logarithm: more undo Tag: Visual edit
• curprev 10:4510:45, 22 August 2024 The Anome talk contribs 29,883 bytes 0 →Exponential and logarithm: better again undo Tag: 2017 wikitext editor
• curprev 10:4410:44, 22 August 2024 The Anome talk contribs 29,883 bytes +10 →Exponential and logarithm: put that in the wrong place, moving to the correct place undo Tag: 2017 wikitext editor
• curprev 10:4310:43, 22 August 2024 The Anome talk contribs 29,873 bytes +300 →Exponential and logarithm: This fact can be used to demonstrate, among other things that <math>i^i</math> is a real number.<ref>{{Cite web |title=i to the i is a Real Number – Math Fun Facts |url=https://math.hmc.edu/funfacts/i-to-the-i-is-a-real-number/ |access-date=2024-08-22 |language=en-US| website=math.hmc.edu}}</ref> undo Tag: 2017 wikitext editor

23 July 2024

• curprev 05:2505:25, 23 July 2024 Worrydream talk contribs 29,573 bytes −40 add link to paper undo

29 June 2024

• curprev 05:3505:35, 29 June 2024 Mackingcheese47 talk contribs m 29,613 bytes +3 →i vs. −i: Wording was a bit confusing. Just changed "which is which is inherently ambiguous" to "it is inherently ambiguous which is which" undo Tag: Visual edit

21 June 2024

• curprev 04:2104:21, 21 June 2024 Anita5192 talk contribs 29,610 bytes −3,798 Manual revert of two edits: unsourced. You need a reliable source for this. See Wikipedia:Citing Sources. undo Tag: Manual revert
• curprev 04:1304:13, 21 June 2024 75.203.160.45 talk 33,408 bytes +156 →The Zagnoli Conjecture undo Tag: Reverted
• curprev 04:0304:03, 21 June 2024 75.203.160.45 talk 33,252 bytes +3,642 →Proper use: Added the very important Zagnoli Conjecture undo Tags: Reverted Mobile edit Mobile app edit Android app edit

14 June 2024

• curprev 18:0418:04, 14 June 2024 Quantling talk contribs m 29,610 bytes +1 →Matrices: separate sentences with semicolon undo
• curprev 17:4817:48, 14 June 2024 JayBeeEll talk contribs m 29,609 bytes +13 →Proper use undo

12 May 2024

• curprev 17:5617:56, 12 May 2024 DVdm talk contribs 29,596 bytes −107 Reverting edit(s) by 75.106.161.51 (talk) to rev. 1222619066 by Psychotter: Not providing a reliable source (RW 16.1) undo Tags: RW Undo
• curprev 15:5315:53, 12 May 2024 75.106.161.51 talk 29,703 bytes +1 No edit summary undo Tags: Reverted Visual edit
• curprev 15:5215:52, 12 May 2024 75.106.161.51 talk 29,702 bytes +106 Added linkage between powers of i and quarter-turn rotation undo Tags: Reverted Visual edit

6 May 2024

• curprev 23:3723:37, 6 May 2024 Psychotter talk contribs 29,596 bytes −5 →Definition undo Tag: Manual revert
• curprev 23:3723:37, 6 May 2024 Psychotter talk contribs 29,601 bytes +5 No edit summary undo Tag: Reverted

15 April 2024

• curprev 01:2001:20, 15 April 2024 Rgdboer talk contribs m 29,596 bytes +35 →See also: lk Right versor undo

15 March 2024

• curprev 13:1713:17, 15 March 2024 Malparti talk contribs 29,561 bytes −50 Undid revision 1213843634 by 62.74.26.191 (talk) rv vandalism undo Tag: Undo
• curprev 13:1413:14, 15 March 2024 62.74.26.191 talk 29,611 bytes +50 No edit summary undo Tags: Reverted Visual edit Mobile edit Mobile web edit

14 March 2024

• curprev 19:2919:29, 14 March 2024 AnomieBOT talk contribs m 29,561 bytes +16 Dating maintenance tags: {{Cn}} undo
• curprev 19:0819:08, 14 March 2024 Quantling talk contribs 29,545 bytes +5 →Integer powers: These are voluntary choices and only if they are made would the formula apply. (Also, agreed we need a citation.) undo
• curprev 18:5618:56, 14 March 2024 JayBeeEll talk contribs 29,540 bytes +6 →Integer powers: ok but certainly this statement is not self-evident and requires a source of some kind undo
• curprev 18:5418:54, 14 March 2024 Tercer talk contribs 29,534 bytes −199 →Integer powers: removing obscure reference added by its own author undo

11 March 2024

• curprev 14:5214:52, 11 March 2024 Quantling talk contribs 29,733 bytes 0 →Root of {{math|X2 + 1}}: Articles like Galois group use a lower case letter undo
• curprev 14:4814:48, 11 March 2024 Quantling talk contribs m 29,733 bytes +1 →Matrices: comma before "so" consequence undo
• curprev 00:0000:00, 11 March 2024 JayBeeEll talk contribs 29,732 bytes −8 Undid revision 1213035487 by JBW (talk) undo Tag: Undo

10 March 2024

• curprev 20:2120:21, 10 March 2024 JBW talk contribs 29,740 bytes +8 Revert. Not an improvement. The method would be acceptable if its results were consistent; there is no objective concept of "falseness" beyond the requirement for a formal system to be consistent. undo Tags: Undo Reverted

6 March 2024

• curprev 19:0719:07, 6 March 2024 JayBeeEll talk contribs 29,732 bytes +107 Restored revision 1194763315 by Arjayay (talk): I'm not convinced any of these changes are improvements undo Tags: Twinkle Undo
• curprev 16:0416:04, 6 March 2024 Quantling talk contribs 29,625 bytes −8 →Proper use: not merely inconsistent with itself, but inconsistent with math (i.e., with the standard accepted definitions and axioms) undo Tag: Reverted
• curprev 12:2512:25, 6 March 2024 Osunpokeh talk contribs 29,633 bytes −99 No edit summary undo Tags: Reverted Visual edit

10 January 2024

• curprev 16:4416:44, 10 January 2024 Arjayay talk contribs m 29,732 bytes −5 Duplicate word removed undo

8 January 2024

• curprev 19:0819:08, 8 January 2024 Jacobolus talk contribs m 29,737 bytes −10 →Definition: tighten heading undo
• curprev 19:0419:04, 8 January 2024 Jacobolus talk contribs m 29,747 bytes +144 →Definition: add a trailing 'phantom' symbol to more precisely align the = signs undo
• curprev 15:3815:38, 8 January 2024 Jacobolus talk contribs m 29,603 bytes −62 →Graphic representation: tighten undo
• curprev 15:3615:36, 8 January 2024 Jacobolus talk contribs m 29,665 bytes −2 →Graphic representation undo
• curprev 15:3515:35, 8 January 2024 Jacobolus talk contribs 29,667 bytes −78 Undid revision 1194341321 by Quantling (talk) this is wordy and awkward. we can skip 'so-called' if you prefer (though this is the kind of situation it is for) undo
• curprev 15:3015:30, 8 January 2024 Jacobolus talk contribs 29,745 bytes −66 Undid revision 1194343208 by Quantling (talk) this seems unnecessary, more likely to confuse than to help undo Tag: Undo
• curprev 14:3314:33, 8 January 2024 Quantling talk contribs 29,811 bytes +66 →Roots: Mathematically true, but does my edit improve the article? undo Tag: Reverted
• curprev 14:3014:30, 8 January 2024 Quantling talk contribs 29,745 bytes +9 →Roots: Must be non-zero. Negative could work but requires more explanation. Let's go with positive. undo
• curprev 14:2814:28, 8 January 2024 Quantling talk contribs 29,736 bytes +140 →Roots: Highlight k = 0 as principle undo
• curprev 14:1814:18, 8 January 2024 Quantling talk contribs 29,596 bytes +123 →Graphic representation: avoid "so-called" undo