Conjugate gradient method: Revision history

26 March 2025

• curprev 17:2517:25, 26 March 2025 216.194.108.41 talk 46,537 bytes 0 →The preconditioned conjugate gradient method undo

16 February 2025

• curprev 16:4616:46, 16 February 2025 Firegarden77 talk contribs m 46,537 bytes 0 The formula of Gram-Smichdt conjugation for calculating p_k was wrong and inconsistent with the formula for Beta_k shown later. undo Tag: Visual edit

11 February 2025

• curprev 07:4807:48, 11 February 2025 2001:6b0:2:2801:2dba:9fff:73fb:6fdd talk 46,537 bytes +40 →Description of the problem addressed by conjugate gradients: Changed to consistent notation. undo
• curprev 07:3907:39, 11 February 2025 2001:6b0:2:2801:2dba:9fff:73fb:6fdd talk 46,497 bytes +23 →The resulting algorithm: Changed to consistent notation undo
• curprev 07:3007:30, 11 February 2025 2001:6b0:2:2801:2dba:9fff:73fb:6fdd talk 46,474 bytes +38 →Derivation as a direct method: Changed to consistent notation undo
• curprev 07:2407:24, 11 February 2025 2001:6b0:2:2801:2dba:9fff:73fb:6fdd talk 46,436 bytes +82 →As an iterative method: Changed to consistent notation. undo

2 January 2025

• curprev 20:3320:33, 2 January 2025 77.119.170.36 talk 46,354 bytes 0 →Using the preconditioner in practice undo

6 December 2024

• curprev 19:0819:08, 6 December 2024 Viktor Guer talk contribs 46,354 bytes +2 →External links undo

16 November 2024

• curprev 07:0307:03, 16 November 2024 Muteminer talk contribs 46,352 bytes 0 →The resulting algorithm undo

14 November 2024

• curprev 21:2421:24, 14 November 2024 Viktor Guer talk contribs 46,352 bytes +33 →External links undo

4 October 2024

• curprev 12:5312:53, 4 October 2024 1234qwer1234qwer4 talk contribs m 46,319 bytes −2 fix spacing around math (via WP:JWB) undo

18 September 2024

• curprev 00:3900:39, 18 September 2024 AlexandreMagueresse talk contribs m 46,321 bytes +6 Corrected the Julia algorithm: the `search_direction` should be a copy of `residual`, not a reference of `residual`. undo

18 July 2024

• curprev 09:5509:55, 18 July 2024 131.111.5.131 talk 46,315 bytes −2 →The resulting algorithm undo

4 May 2024

• curprev 02:1302:13, 4 May 2024 Steel1943 talk contribs 46,317 bytes 0 fix undo

29 April 2024

• curprev 08:3108:31, 29 April 2024 Pmycek talk contribs m 46,317 bytes +1 Fixed typo undo

26 April 2024

• curprev 13:3713:37, 26 April 2024 Citation bot talk contribs 46,316 bytes +4 Altered template type. Add: authors 1-1. Removed parameters. Some additions/deletions were parameter name changes. | Use this bot. Report bugs. | #UCB_CommandLine undo

12 April 2024

• curprev 02:1702:17, 12 April 2024 Pvlkmrv talk contribs 46,312 bytes +8 According to https://www.cs.cmu.edu/~quake-papers/painless-conjugate-gradient.pdf, CG works for "positive-indefinite" matrices as well as positive definite. undo

19 March 2024

• curprev 14:4014:40, 19 March 2024 Parzt talk contribs 46,304 bytes −20 Fixed non-functional Julia code. undo

4 February 2024

• curprev 21:1221:12, 4 February 2024 133.86.227.82 talk 46,324 bytes +194 →Further reading undo

17 January 2024

• curprev 16:0916:09, 17 January 2024 80.162.33.188 talk 46,130 bytes +362 The bound (x-1)/(x+1) < exp(-2/x) makes it much easier to read. undo

4 January 2024

• curprev 05:2205:22, 4 January 2024 OAbot talk contribs m 45,768 bytes +16 Open access bot: arxiv updated in citation with #oabot. undo

2 January 2024

• curprev 19:0119:01, 2 January 2024 64.119.214.58 talk 45,752 bytes +1 fixed spelling : →Advantages and disadvantages undo

27 December 2023

• curprev 18:0118:01, 27 December 2023 D.Lazard talk contribs 45,751 bytes −39 Reverted 1 edit by DMH43 (talk): Confusing without any definition of conjugate directions undo Tags: Twinkle Undo
• curprev 16:0316:03, 27 December 2023 DMH223344 talk contribs 45,790 bytes +39 add a note about conjugate directions to imply the origin of the name undo Tags: Reverted Visual edit

21 December 2023

• curprev 02:2902:29, 21 December 2023 Fgnievinski talk contribs 45,751 bytes +25 →Conjugate gradient on the normal equations undo Tags: Mobile edit Mobile app edit Android app edit

18 December 2023

• curprev 15:1915:19, 18 December 2023 Lhschramm talk contribs m 45,726 bytes 0 →Using the preconditioner in practice undo Tag: Visual edit
• curprev 15:0415:04, 18 December 2023 Lhschramm talk contribs m 45,726 bytes +60 →Using the preconditioner in practice undo Tag: Visual edit
• curprev 14:5714:57, 18 December 2023 Lhschramm talk contribs 45,666 bytes +1,925 →The preconditioned conjugate gradient method: added "Using the preconditioner in practice" undo Tag: Visual edit

10 December 2023

• curprev 23:4923:49, 10 December 2023 OAbot talk contribs m 43,741 bytes +18 Open access bot: arxiv updated in citation with #oabot. undo

5 December 2023

• curprev 02:4402:44, 5 December 2023 Ira Leviton talk contribs m 43,723 bytes +3 Fixed a reference. Please see Category:CS1 errors: dates. undo
• curprev 00:5000:50, 5 December 2023 Cosmia Nebula talk contribs 43,720 bytes +683 →The resulting algorithm: Krylov space method undo Tag: Visual edit
• curprev 00:3000:30, 5 December 2023 Cosmia Nebula talk contribs 43,037 bytes +1,124 →Advantages and disadvantages: a pathological example undo Tag: Visual edit

4 December 2023

• curprev 13:5813:58, 4 December 2023 Mstoll1602 talk contribs m 41,913 bytes +20 →The preconditioned conjugate gradient method: Writing M^{-1} gives the wrong intuition as at this point we solve a system not multiply with the inverse undo Tag: Visual edit

27 November 2023

• curprev 19:4119:41, 27 November 2023 Erel Segal talk contribs 41,893 bytes +372 →Conjugate gradient method for complex Hermitian matrices undo Tag: Visual edit

30 October 2023

• curprev 11:4811:48, 30 October 2023 MtPenguinMonster talk contribs 41,521 bytes +46 →See also: Added CGS to see also undo

9 October 2023

• curprev 05:4405:44, 9 October 2023 ToopTeToosen talk contribs m 41,475 bytes +48 Change typo in example code, regarding residual and search direction. (before residual was incorrectly used in lines 18,19,21. You can see that in the original code search direction is an unused variable because of this) undo

10 September 2023

• curprev 02:1102:11, 10 September 2023 Closed Limelike Curves talk contribs 41,427 bytes −374 →Conjugate gradient method for complex Hermitian matrices undo Tag: Visual edit
• curprev 02:0802:08, 10 September 2023 Closed Limelike Curves talk contribs 41,801 bytes +767 Rewrote code to be faster + much more readable, and to use a more modern language (Julia instead of Matlab) undo Tag: Visual edit

4 June 2023

• curprev 17:1417:14, 4 June 2023 AnomieBOT talk contribs m 41,034 bytes −25 Substing templates: {{Format ISBN}}. See User:AnomieBOT/docs/TemplateSubster for info. undo
• curprev 16:5116:51, 4 June 2023 Trappist the monk talk contribs m 41,059 bytes +36 cite repair; undo

4 May 2023

• curprev 14:5914:59, 4 May 2023 Paul Hege talk contribs 41,023 bytes 0 →See also undo

23 February 2023

• curprev 15:4615:46, 23 February 2023 Citation bot talk contribs 41,023 bytes −48 Removed proxy/dead URL that duplicated identifier. | Use this bot. Report bugs. | Suggested by AManWithNoPlan | #UCB_CommandLine undo

1 February 2023

• curprev 11:2811:28, 1 February 2023 Kishore178 talk contribs 41,071 bytes +5 →The preconditioned conjugate gradient method: add missing 'than' undo

29 January 2023

• curprev 03:3703:37, 29 January 2023 OAbot talk contribs m 41,066 bytes +16 Open access bot: doi added to citation with #oabot. undo

24 January 2023

• curprev 00:4000:40, 24 January 2023 Hellacioussatyr talk contribs m 41,050 bytes +18 →Practical convergence undo Tag: 2017 wikitext editor
• curprev 00:3300:33, 24 January 2023 Hellacioussatyr talk contribs m 41,032 bytes +7 →As an iterative method undo Tag: 2017 wikitext editor

23 January 2023

• curprev 19:1019:10, 23 January 2023 Tom.vettenburg talk contribs m 41,025 bytes +63 Minor clarification undo

17 January 2023

• curprev 11:3411:34, 17 January 2023 D.Lazard talk contribs 40,962 bytes +13 Changing short description from "Optimization algorithm" to "Mathematical optimization algorithm" undo Tag: Shortdesc helper
• curprev 11:2611:26, 17 January 2023 126.114.83.232 talk 40,949 bytes +196 →Further reading undo

4 January 2023

• curprev 15:3815:38, 4 January 2023 2a00:79e0:1b:203:5922:cb21:6f13:e7e8 talk 40,753 bytes −3 →As an iterative method: MOS:PRESUME undo