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- Edit made at Wikidata
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- New page
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29 May 2025
- diffhist Matrix (mathematics) 00:39 +738 David Eppstein talk contribs (Squeeze mapping seems to be studied more in optics than Euclidean geometry; use a source from that field and add a sentence about it to the optics section)
28 May 2025
- diffhist Module:Labelled list hatnote 18:18 +127 Ahecht talk contribs (Exclude section anchors from ifexists, properly show "no input" error message when ifexists=true)
- diffhist Template:See also 13:34 +15 Ahecht talk contribs (ifexists={{{ifexists|true}}})
- diffhist Matrix (mathematics) 00:25 +84 David Eppstein talk contribs (→Linear transformations: source shear matrix)
27 May 2025
- diffhist Siemens (unit) 13:09 +25 173.42.47.250 talk (Rephrased for clarity)
26 May 2025
- diffhist Matrix (mathematics) 23:33 +258 David Eppstein talk contribs (I'm skeptical that we really need a source saying that these four column vectors form the vertices of a unit square, but here is one)
- diffhist Complex number 18:44 +188 Quantling talk contribs (→Complex sine and cosine: Explain where these formulae come from)
- diffhist Complex number 18:36 +49 Quantling talk contribs (→Complex sine and cosine: Use math font for mathematical function names)
- diffhist Complex number 18:32 +196 Quantling talk contribs (→Complex sine and cosine: add disclaimer)
- diffhist Complex number 17:39 −45 Quantling talk contribs (Join two trigonometric sections into one)
- diffhist Complex number 17:35 +4 Quantling talk contribs (→Trigonometric hyperbolic functions: Restore accidentally deleted "and")
- diffhist Complex number 17:35 −16 Quantling talk contribs (Remove spaces. Change capitalization. Shorten section name.)
- diffhist Complex number 17:27 +342 Quantling talk contribs (→Trigonometric Functions and Hyperbolic Functions: Provide formulae for hyperbolic functions in terms of x and y)
- diffhist Complex number 17:15 −53 Quantling talk contribs (→Trigonometric Functions and Hyperbolic Functions: Especially intuitive when x and y are real numbers, but not actually necessary)
- diffhist Complex number 17:15 −749 Quantling talk contribs (→Trigonometric Functions and Hyperbolic Functions: Correct formulas for sine, cosine, tangent, cotangent. Eliminate formulas for secant and cosecant because they are just obvious reciprocals of cosine and sine formulas)
- diffhist Complex number 16:55 +30 Quantling talk contribs (→Trigonometric Functions and Hyperbolic Functions: That 1/f = \bar{f} / (\bar{f} f) is not sufficiently noteworthy)
- diffhist Complex number 16:50 −1,508 Quantling talk contribs (→Trigonometric Functions and Hyperbolic Functions: Keeping only those equations with x, y, or complex conjugate. The rest are great equations but are not sufficiently relevant to this article.)
- diffhist Complex number 13:51 +2,703 IlIIlIlllIIlIIlIIlIlllIII talk contribs (add trigonometric, hyperbolic function's formula) Tag: Visual edit
- diffhist m Matrix (mathematics) 01:09 −18 Jacobolus talk contribs (we don't need to wikilink cayley more than once in the same paragraph)
- diffhist Matrix (mathematics) 00:56 +97 David Eppstein talk contribs (→Historical references: more authorlinks)
- diffhist Matrix (mathematics) 00:54 +34 David Eppstein talk contribs (→Historical references: publisher info for reprint)
- diffhist Matrix (mathematics) 00:53 +242 David Eppstein talk contribs (clean up Cayley 1858 ref)
25 May 2025
- diffhist Electronics 07:35 +267 79.247.116.186 talk (e-commerce isn’t part of the electronics industry, who claims that?)
- diffhist Characteristic impedance 04:58 −291 Roffaduft talk contribs (Undid revision 1292075066 by 12.75.225.9 (talk) Unnecessary spacing) Tag: Undo
- diffhist Characteristic impedance 03:53 −12 Roffaduft talk contribs (Undid revision 1292072477 by 12.75.225.9 (talk) Unnecessary) Tag: Undo
- diffhist Characteristic impedance 02:22 +291 12.75.225.9 talk (math typesetting) Tag: Reverted
- diffhist Characteristic impedance 01:59 +12 12.75.225.9 talk (inserted discoverer's name (Oliver Heaviside)) Tag: Reverted
24 May 2025
- diffhist Matrix (mathematics) 21:37 +244 David Eppstein talk contribs (source other use of scalar product)
- diffhist Matrix (mathematics) 09:52 0 Headbomb talk contribs (fix)
- diffhist Matrix (mathematics) 09:17 −117 Headbomb talk contribs (1993)
- diffhist Matrix (mathematics) 04:36 +82 David Eppstein talk contribs (→Historical references: archive link and full volume title for Sylvester 1904)
- diffhist Matrix (mathematics) 04:32 −21 David Eppstein talk contribs (Undo citation to book garbaged by Citation bot mixing in info from book review)
23 May 2025
- diffhist Matrix (mathematics) 22:05 +167 David Eppstein talk contribs (source transformation matrix)
- diffhist Transformer 12:56 +38 MtPenguinMonster talk contribs (→Classification parameters: Added link)
- diffhist m Transformer 07:06 +32 Throowa talk contribs (Anchor: Tap (transformer)) Tag: Visual edit
- diffhist Matrix (mathematics) 01:40 +307 David Eppstein talk contribs (source square matrices as examples of noncommutative rings)