User contributions for Eric Lengyel

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04:5604:56, 17 May 2025 diff hist +569‎ N Transwedge products ‎ Created page with "The ''transwedge product'' is a generalization of the exterior product and interior product that also includes a transitional sequence of liminal products between exterior and interior. The transwedge product of order $$k$$ is written with a double upward wedge having either a subscript or an underscript indicating the order. It is defined as :$$\displaystyle\mathbf a \mathbin{\underset{k}{\unicode{x2A53}}} \mathbf b = \sum_{\mathbf c \in \mathcal B_k}{(\mathbf..."

23:1423:14, 15 April 2025 diff hist 0‎ Reflection ‎No edit summary current

21:2121:21, 12 February 2025 diff hist +230‎ Errata ‎No edit summary

08:4908:49, 22 December 2024 diff hist +21‎ N Metric ‎ Redirected page to Metrics current Tag: New redirect
08:4908:49, 22 December 2024 diff hist +1,072‎ Duals ‎No edit summary current
00:4900:49, 22 December 2024 diff hist +10‎ Plane ‎No edit summary current
00:4900:49, 22 December 2024 diff hist +10‎ Point ‎No edit summary current
00:4900:49, 22 December 2024 diff hist +10‎ Line ‎No edit summary current

23:2723:27, 12 October 2024 diff hist +3‎ Translation ‎ →‎Matrix Form current

06:4206:42, 25 August 2024 diff hist +213‎ Complements ‎No edit summary current
06:3306:33, 25 August 2024 diff hist 0‎ Complements ‎ →‎Explicit Formula
06:3006:30, 25 August 2024 diff hist +742‎ Complements ‎No edit summary

03:1303:13, 22 August 2024 diff hist +11‎ Interior products ‎ →‎Expansions current
01:2201:22, 22 August 2024 diff hist +288‎ Interior products ‎No edit summary
01:1401:14, 22 August 2024 diff hist +243‎ Interior products ‎No edit summary

02:3902:39, 11 August 2024 diff hist +149‎ N Projective Geometric Algebra Done Right ‎ Created page with "This content has been moved to the following location: [https://terathon.com/blog/pga-done-right.html https://terathon.com/blog/pga-done-right.html]" current
02:3702:37, 11 August 2024 diff hist +149‎ N Symmetries in Projective Geometric Algebra ‎ Created page with "This content has been moved to the following location: [https://terathon.com/blog/symmetries-pga.html https://terathon.com/blog/symmetries-pga.html]" current
02:3702:37, 11 August 2024 diff hist +159‎ N Space-Antispace Transform Correspondence in Projective Geometric Algebra ‎ Created page with "This content has been moved to the following location. [https://terathon.com/blog/space-antispace-pga.html https://terathon.com/blog/space-antispace-pga.html]" current

03:0203:02, 10 August 2024 diff hist −202‎ Main Page ‎ →‎Pages

07:1107:11, 8 August 2024 diff hist 0‎ Rotation ‎ →‎See Also current
07:1107:11, 8 August 2024 diff hist 0‎ Translation ‎ →‎See Also
07:1107:11, 8 August 2024 diff hist 0‎ m Complement translations ‎ Eric Lengyel moved page Reciprocal translations to Complement translations without leaving a redirect current
07:1007:10, 8 August 2024 diff hist 0‎ Complement translations ‎ Changed redirect target from Reciprocal translation to Complement translation Tag: Redirect target changed
07:1007:10, 8 August 2024 diff hist 0‎ m Complement translation ‎ Eric Lengyel moved page Reciprocal translation to Complement translation without leaving a redirect current
07:1007:10, 8 August 2024 diff hist 0‎ m Complement rotations ‎ Eric Lengyel moved page Reciprocal rotations to Complement rotations without leaving a redirect current
07:1007:10, 8 August 2024 diff hist 0‎ Complement rotations ‎ Changed redirect target from Reciprocal rotation to Complement rotation Tag: Redirect target changed
07:0707:07, 8 August 2024 diff hist 0‎ m Complement rotation ‎ Eric Lengyel moved page Reciprocal rotation to Complement rotation without leaving a redirect current
07:0607:06, 8 August 2024 diff hist +533‎ Transformation groups ‎No edit summary

02:2602:26, 14 July 2024 diff hist −1‎ Translation ‎ →‎Exponential Form

01:3101:31, 8 July 2024 diff hist +209‎ Euclidean angle ‎No edit summary current
01:3001:30, 8 July 2024 diff hist +57‎ Euclidean distance ‎No edit summary current
01:2901:29, 8 July 2024 diff hist +76‎ Interior products ‎No edit summary
01:2701:27, 8 July 2024 diff hist +114‎ Dot products ‎No edit summary current
01:2501:25, 8 July 2024 diff hist +38‎ Unitization ‎No edit summary current
01:2501:25, 8 July 2024 diff hist +38‎ Geometric constraint ‎No edit summary current
01:2401:24, 8 July 2024 diff hist +513‎ Geometric norm ‎No edit summary current
01:2101:21, 8 July 2024 diff hist +38‎ Duals ‎No edit summary
01:2001:20, 8 July 2024 diff hist +76‎ Flector ‎ →‎Norm current
01:1901:19, 8 July 2024 diff hist +95‎ Motor ‎ →‎Square Root current
01:1801:18, 8 July 2024 diff hist +76‎ Motor ‎ →‎Norm
01:1601:16, 8 July 2024 diff hist +6‎ Plane ‎No edit summary
01:1601:16, 8 July 2024 diff hist +304‎ Bulk and weight ‎No edit summary current
01:1301:13, 8 July 2024 diff hist +263‎ Errata ‎No edit summary

23:3923:39, 2 July 2024 diff hist +259‎ Errata ‎No edit summary

16:5016:50, 13 May 2024 diff hist +67‎ Errata ‎No edit summary

20:3020:30, 12 May 2024 diff hist +151‎ Errata ‎No edit summary
19:1019:10, 12 May 2024 diff hist +740‎ N Errata ‎ Created page with "This is the errata page for the ''Projective Geometric Algebra Illuminated''. To find out which printing you have, look on the copyright page. == First Printing == * '''Page 84.''' In Table 2.16, both bulk duals of $$\mathbf e_4$$ should be 0. * '''Page 156.''' The number of multiply-adds required for transforming a line with a motor did not include the work needed to calculate $$\mathbf a$$, $$\mathbf b$$, and $$\mathbf c$$. Each cross product adds 6 multiply-adds, s..."
01:3301:33, 12 May 2024 diff hist +40‎ Duals ‎No edit summary
01:3101:31, 12 May 2024 diff hist 0‎ N File:Duals.svg ‎No edit summary current
01:3101:31, 12 May 2024 diff hist +162‎ Duals ‎No edit summary

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