Vectorization (mathematics): Revision history

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curprev 21:0921:09, 14 April 2025 JJMC89 bot III talk contribs m 9,902 bytes +14 Moving Category:Matrices to Category:Matrices (mathematics) per Wikipedia:Categories for discussion/Speedy undo

curprev 16:2216:22, 19 March 2025 185.132.137.251 talk 9,888 bytes 0 →Compatibility with Kronecker products: Rewrote adjoint (=commutator) to be in standard form, of opposite sign, and corrected the formula numerically for it to work with a column-wise based vectorisation. <ref>https://www.comm.utoronto.ca/~frank/notes/vec.pdf</ref> undo

curprev 11:5811:58, 12 March 2025 185.132.137.251 talk 9,888 bytes 0 →Compatibility with Kronecker products: I ran some numerical simulations and realised the formula for vectorising the adjoint works correctly when the commutator is in the opposite convention (XA-AX instead of AX-XA). undo

curprev 04:1404:14, 22 February 2025 TylerSagendorf talk contribs m 9,888 bytes +119 →Programming language undo

curprev 07:1007:10, 15 August 2024 LarsJPR talk contribs 9,769 bytes −82 Undid revision 1095754114 by Bquast (talk) undo Tag: Undo

curprev 20:1420:14, 18 July 2023 Lisztrachmaninovfan talk contribs 9,083 bytes +43 →See also: an article which should have been linked here which describes the relationship between vectorization and half-vectorization for symmetric matrices undo

curprev 19:5319:53, 5 May 2023 W.andrea talk contribs 9,040 bytes +8 Undid revision 1148078331 and part of previous one by Alexmov (talk). Disambiguation link broken. undo Tag: Disambiguation links added

curprev 23:3123:31, 4 April 2023 Niceguyedc talk contribs m 9,032 bytes +33 v2.05 - Repaired 1 link to disambiguation page - (You can help) - Vector undo Tag: WPCleaner

curprev 23:3123:31, 3 April 2023 Alexmov talk contribs 8,999 bytes −4 No edit summary undo
curprev 23:2923:29, 3 April 2023 Alexmov talk contribs 9,003 bytes +1 No edit summary undo Tag: Disambiguation links added

curprev 09:0809:08, 14 January 2023 Dandan~ukwiki talk contribs m 9,002 bytes 0 →Compatibility with inner products undo Tag: Visual edit
curprev 09:0709:07, 14 January 2023 Dandan~ukwiki talk contribs 9,002 bytes −43 →Compatibility with inner products: The change corrected the formula (it was wrong). undo Tag: Visual edit

curprev 10:0010:00, 8 January 2023 Hellacioussatyr talk contribs 9,045 bytes +195 No edit summary undo Tags: Mobile edit Mobile web edit Advanced mobile edit

curprev 04:5504:55, 30 June 2022 Bquast talk contribs 8,850 bytes +82 add GIF undo Tag: Reverted

curprev 18:2618:26, 4 May 2022 199.20.12.32 talk 8,768 bytes 0 The formula that I changed was initially wrong! undo Tags: Manual revert Visual edit

curprev 07:4507:45, 8 April 2022 Reincornator talk contribs 8,768 bytes 0 →Notes undo Tags: Reverted Visual edit

curprev 15:0515:05, 27 November 2021 2a02:1205:34f4:5660:f51f:b65f:e3cb:ae4 talk 8,768 bytes +2 Undid revision 1057421122 by 2A02:1205:34F4:5660:F51F:B65F:E3CB:AE4 (talk) undo Tag: Undo
curprev 15:0215:02, 27 November 2021 2a02:1205:34f4:5660:f51f:b65f:e3cb:ae4 talk 8,766 bytes −2 →Compatibility with Kronecker products undo Tag: Reverted

curprev 20:5320:53, 5 July 2021 TitleEditor talk contribs m 8,768 bytes +57 No edit summary undo Tags: Mobile edit Mobile app edit iOS app edit

curprev 11:4611:46, 26 February 2021 Hellacioussatyr talk contribs 8,711 bytes +179 \operatorname has different effects than \mathrm and \text and the correct semantics undo Tag: 2017 wikitext editor

curprev 14:4214:42, 11 February 2021 Narky Blert talk contribs 8,532 bytes +35 Link to DAB page repaired per WP:INTDAB undo

curprev 12:2312:23, 7 February 2021 Neils51 talk contribs m 8,497 bytes −1 spelling - it's → its undo

curprev 02:0102:01, 5 February 2021 45.72.206.239 talk 8,498 bytes +131 Made reference to the commutation matrix. undo

curprev 00:5200:52, 24 January 2021 Hellacioussatyr talk contribs m 8,367 bytes +11 →Programming language undo Tag: 2017 wikitext editor

curprev 03:0703:07, 23 January 2021 Hellacioussatyr talk contribs 8,356 bytes −103 →Half-vectorization: Formatted block formula with <math> tags undo Tag: 2017 wikitext editor
curprev 03:0103:01, 23 January 2021 Hellacioussatyr talk contribs m 8,459 bytes 0 →Vectorization as a linear sum: Removed italics from parentheses undo Tag: 2017 wikitext editor
curprev 03:0003:00, 23 January 2021 Hellacioussatyr talk contribs m 8,459 bytes −8 Removed italics for numeral undo Tag: 2017 wikitext editor
curprev 02:3202:32, 23 January 2021 Hellacioussatyr talk contribs 8,467 bytes +7 →Half-vectorization: Pull entire formulae within the <math> tags undo Tag: 2017 wikitext editor

curprev 09:3009:30, 20 January 2021 2603:8001:6903:3500:94e1:fbdc:e2f4:eb7 talk 8,460 bytes −5 →Compatibility with inner products: There was a typo (taking the transpose of B in the second equality) that make the following statement false: <math>\mathrm{tr}(A^\top B) = \mathrm{vec}(A)^\top \mathrm{vec}(B) =\mathrm{vec}(B^top)^\top \mathrm{vec}(A).</math> undo

curprev 09:1609:16, 12 January 2021 2001:8003:2396:cd01:ecd4:e4d6:4543:26f6 talk 8,465 bytes +30 add disambiguation link undo

curprev 04:4504:45, 19 December 2020 Monkbot talk contribs m 8,435 bytes +1 Task 18 (cosmetic): eval 4 templates: hyphenate params (1×); undo Tag: AWB

curprev 18:1718:17, 12 December 2020 Citation bot talk contribs 8,434 bytes +17 Add: s2cid, author pars. 1-1. Removed parameters. Some additions/deletions were actually parameter name changes. | You can use this bot yourself. Report bugs here. | Suggested by Abductive | Category:Linear algebra‎ | via #UCB_Category 211/306 undo

curprev 20:3220:32, 17 September 2020 93.173.235.53 talk 8,417 bytes 0 →Notes: Row-major vectorization formula was wrong. This is the correct formula. undo

curprev 19:4619:46, 22 April 2020 Bender235 talk contribs 8,417 bytes +89 →Programming language undo

curprev 18:0618:06, 7 April 2020 Markus Hauschel talk contribs 8,328 bytes −1 No edit summary undo

curprev 14:4214:42, 29 January 2020 Mcasariego talk contribs m 8,329 bytes +7 →Vectorization as a linear sum: I simply add a missing word 'matrix' undo
curprev 13:2513:25, 29 January 2020 128.40.177.60 talk 8,322 bytes +9 →Vectorization as a linear sum undo

curprev 09:1209:12, 28 January 2020 Vivic2000 talk contribs 8,313 bytes +32 →Compatibility with inner products undo
curprev 09:0909:09, 28 January 2020 Vivic2000 talk contribs 8,281 bytes +12 →Compatibility with inner products undo Tag: Visual edit: Switched
curprev 09:0509:05, 28 January 2020 Vivic2000 talk contribs 8,269 bytes +9 →Compatibility with inner products undo

curprev 02:0902:09, 14 August 2019 2620:0:e00:4024::26 talk 8,260 bytes 0 →Notes undo

curprev 17:2117:21, 6 April 2019 OAbot talk contribs m 8,260 bytes +17 Open access bot: add arxiv identifier to citation with #oabot. undo

curprev 23:0223:02, 21 December 2018 Bender235 talk contribs 8,243 bytes +31 →Compatibility with Kronecker products undo
curprev 23:0123:01, 21 December 2018 Bender235 talk contribs 8,212 bytes +385 →Programming language undo

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