Hessian matrix: Revision history

27 December 2023

• curprev 18:2318:23, 27 December 2023‎ DMH223344 talk contribs‎ 21,492 bytes +4‎ wikilink undo Tag: Visual edit

24 December 2023

• curprev 22:1222:12, 24 December 2023‎ ShelfSkewed talk contribs‎ 21,488 bytes +17‎ (disambiguation) redirect for intentional link to dab page, per WP:INTDABLINK undo Tag: Disambiguation links added

6 December 2023

• curprev 18:3718:37, 6 December 2023‎ ClueBot NG talk contribs‎ m 21,471 bytes 0‎ Reverting possible vandalism by 149.61.205.76 to version by OAbot. Report False Positive? Thanks, ClueBot NG. (4287619) (Bot) undo Tag: Rollback
• curprev 18:3718:37, 6 December 2023‎ 149.61.205.76 talk‎ 21,471 bytes 0‎ No edit summary undo Tag: Reverted

8 November 2023

• curprev 12:2512:25, 8 November 2023‎ OAbot talk contribs‎ m 21,471 bytes +21‎ Open access bot: arxiv updated in citation with #oabot. undo

3 October 2023

• curprev 07:4507:45, 3 October 2023‎ Rigmat talk contribs‎ 21,450 bytes +91‎ No edit summary undo Tag: Disambiguation links added

27 September 2023

• curprev 09:0109:01, 27 September 2023‎ D.Lazard talk contribs‎ 21,359 bytes −19‎ Reverted 1 edit by 2605:A601:A73D:C800:559F:F233:E0D3:77C0 (talk): Per MOS:REFER undo Tags: Twinkle Undo
• curprev 04:1004:10, 27 September 2023‎ 2605:a601:a73d:c800:559f:f233:e0d3:77c0 talk‎ 21,378 bytes +19‎ gramer undo Tag: Reverted

8 June 2023

• curprev 16:3816:38, 8 June 2023‎ Mjaðveig talk contribs‎ 21,359 bytes +36‎ Books by German authors sometimes use this term (even those published in English) undo

2 May 2023

• curprev 20:2520:25, 2 May 2023‎ Robinh talk contribs‎ m 21,323 bytes +3‎ →‎Generalization to the complex case: colon not : undo

31 March 2023

• curprev 14:5614:56, 31 March 2023‎ Timlam2000 talk contribs‎ m 21,320 bytes +19‎ →‎Definitions and properties: change to hessian is the transpose of the jacobian matrix because hessian matrix may not be symmetric undo Tag: Visual edit

22 March 2023

• curprev 15:0715:07, 22 March 2023‎ Nerd271 talk contribs‎ 21,301 bytes +22‎ →‎See also: Portal for mathematics. undo Tag: 2017 wikitext editor

5 March 2023

• curprev 13:4813:48, 5 March 2023‎ D.Lazard talk contribs‎ 21,279 bytes −217‎ Reverted 1 edit by AWSMA (talk): Unreliable source; seems to be self-promotionl; in any case there is no denominator here, and and the invoked convention does not exist in mathematics undo Tags: Twinkle Undo
• curprev 07:3507:35, 5 March 2023‎ AWSMA talk contribs‎ m 21,496 bytes +217‎ Undid revision 1142253839 by D.Lazard (talk). There are two layout conventions for gradient, Jacobian and Hessian which are the denominator (as in this page) and the numerator layout conventions. This is a well now concept in the science communities that use The Hessian matrix such as the machine learning community. undo Tags: Undo Reverted

1 March 2023

• curprev 10:2910:29, 1 March 2023‎ D.Lazard talk contribs‎ 21,279 bytes −217‎ Reverted 1 edit by AWSMA (talk) undo Tags: Twinkle Undo Reverted
• curprev 09:2909:29, 1 March 2023‎ AWSMA talk contribs‎ m 21,496 bytes +217‎ Adding a description and a citation for the Hessian equation. undo Tags: Reverted Visual edit

31 January 2023

• curprev 05:5805:58, 31 January 2023‎ SZLiu talk contribs‎ 21,279 bytes +454‎ →‎Other applications undo

27 January 2023

• curprev 10:4510:45, 27 January 2023‎ D.Lazard talk contribs‎ 20,825 bytes −439‎ Reverted 2 edits by SZLiu (talk): Apparent conflict of interest (self promoting) undo Tags: Twinkle Undo
• curprev 06:0006:00, 27 January 2023‎ SZLiu talk contribs‎ 21,264 bytes −2‎ →‎Other applications undo Tag: Reverted
• curprev 05:5105:51, 27 January 2023‎ SZLiu talk contribs‎ 21,266 bytes +441‎ →‎Other applications undo Tag: Reverted

26 January 2023

• curprev 09:3009:30, 26 January 2023‎ D.Lazard talk contribs‎ 20,825 bytes +24‎ Undid revision 1135682346 by 2601:200:C082:2EA0:1940:982D:4ADF:B58B (talk) and improving the phrasing undo
• curprev 05:3705:37, 26 January 2023‎ 2601:200:c082:2ea0:f956:e02:6231:f380 talk‎ 20,801 bytes +2‎ →‎Generalizations to Riemannian manifolds undo
• curprev 05:0405:04, 26 January 2023‎ 2601:200:c082:2ea0:1940:982d:4adf:b58b talk‎ 20,799 bytes −29‎ →‎Definitions and properties: Improved wording undo

22 November 2022

• curprev 10:2510:25, 22 November 2022‎ D.Lazard talk contribs‎ 20,828 bytes −19‎ Reverted 2 edits by 147.96.128.83 (talk): Unneeded complication as the Hessian matrix equals its transpose undo Tags: Twinkle Undo
• curprev 09:5409:54, 22 November 2022‎ 147.96.128.83 talk‎ 20,847 bytes +17‎ →‎Definitions and properties: Text didn't describe the formula correctly. undo Tags: Reverted Mobile edit Mobile web edit
• curprev 09:5309:53, 22 November 2022‎ 147.96.128.83 talk‎ 20,830 bytes +2‎ →‎Definitions and properties: The Hessian here presented is actually the transpose of the jacobian of the gradient if we use the definition of Jacobian given in its page. undo Tags: Reverted Mobile edit Mobile web edit

25 October 2022

• curprev 23:5223:52, 25 October 2022‎ Ovinus talk contribs‎ 20,828 bytes +17‎ more recognizable undo

23 October 2022

• curprev 02:4602:46, 23 October 2022‎ Citation bot talk contribs‎ 20,811 bytes +49‎ Add: pmid, s2cid, authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | Suggested by Whoop whoop pull up | #UCB_webform 641/3485 undo

1 October 2022

• curprev 14:1814:18, 1 October 2022‎ Ken.tsui.kt talk contribs‎ m 20,762 bytes +6‎ No edit summary undo

27 August 2022

• curprev 19:3119:31, 27 August 2022‎ 64.223.232.166 talk‎ 20,756 bytes 0‎ →‎Critical points: -- Just correcting two spelling errors, substituting "principal" for "principle." undo

9 August 2022

• curprev 06:1006:10, 9 August 2022‎ 216.71.198.121 talk‎ 20,756 bytes +2‎ →‎Definitions and properties undo Tag: Visual edit

4 June 2022

• curprev 19:2619:26, 4 June 2022‎ Ofershir talk contribs‎ 20,754 bytes +677‎ →‎Use in optimization: a remark on the formal relation between the Hessian and the Covariance matrix in evolution strategies heuristics. undo

6 May 2022

• curprev 19:2119:21, 6 May 2022‎ Jasper Deng talk contribs‎ 20,077 bytes −105‎ →‎Definitions and properties: continuity is not part of the definition undo Tags: Mobile edit Mobile web edit Advanced mobile edit

14 February 2022

• curprev 14:0914:09, 14 February 2022‎ D.Lazard talk contribs‎ 20,182 bytes +26‎ Reverted 1 edit by 91.106.123.186 (talk) undo Tags: Twinkle Undo
• curprev 13:5813:58, 14 February 2022‎ 91.106.123.186 talk‎ 20,156 bytes −26‎ →‎Inflection points undo Tags: Reverted Mobile edit Mobile web edit

18 January 2022

• curprev 15:2315:23, 18 January 2022‎ Angelo Di Bella talk contribs‎ 20,182 bytes +11‎ →‎Use in optimization undo

14 December 2021

• curprev 11:1311:13, 14 December 2021‎ D.Lazard talk contribs‎ 20,171 bytes −27‎ Reverted 2 edits by 2607:EA00:107:1C07:E0CE:C968:83B8:1AA9 (talk): No need of transpose of a symmetric matrix undo Tags: Twinkle Undo
• curprev 00:5700:57, 14 December 2021‎ 2607:ea00:107:1c07:e0ce:c968:83b8:1aa9 talk‎ 20,198 bytes +4‎ No edit summary undo Tag: Reverted
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11 November 2021

• curprev 09:4009:40, 11 November 2021‎ D.Lazard talk contribs‎ 20,171 bytes 0‎ Reverted 1 edit by 103.18.168.184 (talk): This makes the following formula wrong, and the current formulation is compatible with Wikipedia definition of the Lagrange function: "where the λ \lambda term may be either added or subtracted" undo Tags: Twinkle Undo
• curprev 05:1805:18, 11 November 2021‎ 103.18.168.184 talk‎ 20,171 bytes 0‎ →‎Bordered Hessian undo Tags: Reverted Mobile edit Mobile web edit

8 October 2021

• curprev 23:2323:23, 8 October 2021‎ Avava25 talk contribs‎ m 20,171 bytes +1‎ space undo Tag: Visual edit

31 July 2021

• curprev 18:4718:47, 31 July 2021‎ Mgkrupa talk contribs‎ 20,170 bytes +331‎ No information was added, removed, or changed. Only copy editing to make this article more compliant with MOS:MATH and WP:ACCESSIBILITY. Minor rewording/rearranging/fixes. Spell out abbreviations s.t./iff/i.e./can't/... and symbols ∀∃⇔⇒∨∧¬ (exceptions for e.g. formal logic). Try to write complete sentences. Avoid we/one/us/clearly/note/... Avoid symbols that might not render correctly in some browsers like Unicode ∪∩≠≤→∈∑⊕√∞ or σℱ𝔉𝔽ℝℂℕ by e.g. replacing them with LaTeX. undo

9 March 2021

• curprev 04:4804:48, 9 March 2021‎ 71.223.12.227 talk‎ 19,839 bytes 0‎ →‎Definitions and properties undo

18 February 2021

• curprev 00:0000:00, 18 February 2021‎ Hellacioussatyr talk contribs‎ m 19,839 bytes +56‎ →‎Bordered Hessian: Fixed italics undo Tag: 2017 wikitext editor

29 January 2021

• curprev 22:1822:18, 29 January 2021‎ IznoRepeat talk contribs‎ 19,783 bytes 0‎ →‎Use in optimization: invert math-link placement for upcoming tstyles undo Tag: AWB

19 January 2021

• curprev 19:0719:07, 19 January 2021‎ 100.11.160.162 talk‎ 19,783 bytes +76‎ →‎Critical points: add citation to Gaussian curvature section on principle curvatures undo
• curprev 19:0319:03, 19 January 2021‎ 100.11.160.162 talk‎ 19,707 bytes −81‎ →‎Critical points: don't try to use markdown undo
• curprev 19:0219:02, 19 January 2021‎ 100.11.160.162 talk‎ 19,788 bytes +407‎ →‎Critical points: at a critical point, the Hessian completely characterizes the curvature of a function undo

12 January 2021

• curprev 10:1410:14, 12 January 2021‎ Myxomatosis57 talk contribs‎ m 19,381 bytes −1‎ →‎Other applications undo