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Combined display of all available logs of Rigid Geometric Algebra. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 00:47, 27 August 2023 Eric Lengyel talk contribs deleted page File:Line plane.svg
- 00:47, 27 August 2023 Eric Lengyel talk contribs deleted page File:Point line.svg
- 00:46, 27 August 2023 Eric Lengyel talk contribs deleted page File:Point plane.svg
- 00:48, 26 August 2023 Eric Lengyel talk contribs created page Weight norms (Redirected page to Geometric norm) Tag: New redirect
- 00:47, 26 August 2023 Eric Lengyel talk contribs created page Bulk norms (Redirected page to Geometric norm) Tag: New redirect
- 00:43, 26 August 2023 Eric Lengyel talk contribs created page Geometric norms (Redirected page to Geometric norm) Tag: New redirect
- 00:43, 26 August 2023 Eric Lengyel talk contribs deleted page File:GeometricAntiproduct201.svg (Deleted old revision 20230826004312!GeometricAntiproduct201.svg)
- 00:43, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:GeometricAntiproduct201.svg
- 00:43, 26 August 2023 Eric Lengyel talk contribs deleted page File:GeometricProduct201.svg (Deleted old revision 20230826004302!GeometricProduct201.svg)
- 00:43, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:GeometricProduct201.svg
- 00:40, 26 August 2023 Eric Lengyel talk contribs deleted page File:GeometricAntiproduct.svg (Deleted old revision 20230826004029!GeometricAntiproduct.svg)
- 00:40, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:GeometricAntiproduct.svg
- 00:40, 26 August 2023 Eric Lengyel talk contribs deleted page File:GeometricProduct.svg (Deleted old revision 20230826004011!GeometricProduct.svg)
- 00:40, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:GeometricProduct.svg
- 00:31, 26 August 2023 Eric Lengyel talk contribs deleted page File:Groups.svg (Deleted old revision 20230826003116!Groups.svg)
- 00:31, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:Groups.svg
- 00:27, 26 August 2023 Eric Lengyel talk contribs created page Reciprocal rotations (Redirected page to Reciprocal rotation) Tag: New redirect
- 00:27, 26 August 2023 Eric Lengyel talk contribs created page Reciprocal translations (Redirected page to Reciprocal translation) Tag: New redirect
- 00:26, 26 August 2023 Eric Lengyel talk contribs moved page Dual translation to Reciprocal translation without leaving a redirect
- 00:25, 26 August 2023 Eric Lengyel talk contribs moved page Dual rotation to Reciprocal rotation without leaving a redirect
- 00:02, 26 August 2023 Eric Lengyel talk contribs deleted page File:Plane weight join line.svg (Deleted old revision 20230826000237!Plane_weight_join_line.svg)
- 00:02, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:Plane weight join line.svg
- 00:02, 26 August 2023 Eric Lengyel talk contribs deleted page File:Line weight join point.svg (Deleted old revision 20230826000216!Line_weight_join_point.svg)
- 00:02, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:Line weight join point.svg
- 00:01, 26 August 2023 Eric Lengyel talk contribs deleted page File:Plane weight join point.svg (Deleted old revision 20230826000155!Plane_weight_join_point.svg)
- 00:01, 26 August 2023 Eric Lengyel talk contribs uploaded a new version of File:Plane weight join point.svg
- 18:15, 25 August 2023 Eric Lengyel talk contribs deleted page File:AntidotProduct.svg (Deleted old revision 20230825181529!AntidotProduct.svg)
- 18:15, 25 August 2023 Eric Lengyel talk contribs uploaded a new version of File:AntidotProduct.svg
- 18:15, 25 August 2023 Eric Lengyel talk contribs deleted page File:DotProduct.svg (Deleted old revision 20230825181510!DotProduct.svg)
- 18:15, 25 August 2023 Eric Lengyel talk contribs uploaded a new version of File:DotProduct.svg
- 05:12, 5 August 2023 Eric Lengyel talk contribs created page File:Antispace5.svg
- 05:12, 5 August 2023 Eric Lengyel talk contribs uploaded File:Antispace5.svg
- 03:56, 5 August 2023 Eric Lengyel talk contribs created page File:Antispace4.svg
- 03:56, 5 August 2023 Eric Lengyel talk contribs uploaded File:Antispace4.svg
- 03:56, 5 August 2023 Eric Lengyel talk contribs created page File:Antispace3.svg
- 03:56, 5 August 2023 Eric Lengyel talk contribs uploaded File:Antispace3.svg
- 03:55, 5 August 2023 Eric Lengyel talk contribs created page File:Antispace2.svg
- 03:55, 5 August 2023 Eric Lengyel talk contribs uploaded File:Antispace2.svg
- 03:55, 5 August 2023 Eric Lengyel talk contribs created page File:Antispace1.svg
- 03:55, 5 August 2023 Eric Lengyel talk contribs uploaded File:Antispace1.svg
- 02:19, 5 August 2023 Eric Lengyel talk contribs created page Space-Antispace Transform Correspondence in Projective Geometric Algebra (Created page with "'''By Eric Lengyel'''<br /> May 20, 2022 The concept of duality can be understood geometrically in an ''n''-dimensional projective setting by considering both the subspace that an object occupies and the complementary subspace that the object concurrently does not occupy. The dimensionalities of these two components always sum to ''n'', and they represent the ''space'' and ''antispace'' associated with the object. (Antispace is also known as negative space or counterspa...")
- 01:58, 5 August 2023 Eric Lengyel talk contribs created page Antiprojection (Redirected page to Projections) Tag: New redirect
- 01:13, 5 August 2023 Eric Lengyel talk contribs created page Symmetries in Projective Geometric Algebra (Created page with "__NOTOC__ '''By Eric Lengyel'''<br /> October 19, 2020 This is a continuation of the post Projective Geometric Algebra Done Right from earlier this year. That post introduces the geometric antiproduct and the notation $$\unicode{x27D1}$$ and $$\unicode{x27C7}$$ used in this post. As before, everything in this post assumes familiarity with Chapter 4 of FGED1. I have been thinking about the geometric product and geometric antiproduct on a low-priority thread for most...")
- 23:37, 4 August 2023 Eric Lengyel talk contribs created page Projective Geometric Algebra Done Right (Created page with "January 23, 2020 This is part one of a two-part series. The second part can be found here: Symmetries in Projective Geometric Algebra. In the last chapter of FGED1, I provided a practical introduction to projective Grassmann algebra. Most people working in computer graphics are familiar with four-dimensional homogeneous coordinates, and projective Grassmann algebra extends this concept to a larger algebraic structure under which the wedge and antiwedge products per...")
- 05:06, 1 August 2023 Eric Lengyel talk contribs created page Euclidean distances (Redirected page to Euclidean distance) Tag: New redirect
- 05:05, 1 August 2023 Eric Lengyel talk contribs created page Magnitudes (Redirected page to Magnitude) Tag: New redirect
- 05:04, 1 August 2023 Eric Lengyel talk contribs created page Attitudes (Redirected page to Attitude) Tag: New redirect
- 08:48, 15 July 2023 Eric Lengyel talk contribs created page Meet (Redirected page to Join and meet) Tag: New redirect
- 08:48, 15 July 2023 Eric Lengyel talk contribs created page Join (Redirected page to Join and meet) Tag: New redirect
- 06:59, 15 July 2023 Eric Lengyel talk contribs created page Transflections (Redirected page to Transflection) Tag: New redirect
- 06:58, 15 July 2023 Eric Lengyel talk contribs created page Inversions (Redirected page to Inversion) Tag: New redirect
- 06:57, 15 July 2023 Eric Lengyel talk contribs created page Antireverse (Redirected page to Reverses) Tag: New redirect
- 06:56, 15 July 2023 Eric Lengyel talk contribs created page Motors (Redirected page to Motor) Tag: New redirect
- 06:56, 15 July 2023 Eric Lengyel talk contribs created page Flectors (Redirected page to Flector) Tag: New redirect
- 06:52, 15 July 2023 Eric Lengyel talk contribs created page Interior antiproduct (Redirected page to Interior products) Tag: New redirect
- 06:51, 15 July 2023 Eric Lengyel talk contribs created page Interior product (Redirected page to Interior products) Tag: New redirect
- 06:51, 15 July 2023 Eric Lengyel talk contribs created page Antidot product (Redirected page to Dot products) Tag: New redirect
- 06:51, 15 July 2023 Eric Lengyel talk contribs created page Dot product (Redirected page to Dot products) Tag: New redirect
- 06:51, 15 July 2023 Eric Lengyel talk contribs created page Commutator (Redirected page to Commutators) Tag: New redirect
- 06:50, 15 July 2023 Eric Lengyel talk contribs created page Projection (Redirected page to Projections) Tag: New redirect
- 06:50, 15 July 2023 Eric Lengyel talk contribs created page Antiwedge products (Redirected page to Exterior products) Tag: New redirect
- 06:50, 15 July 2023 Eric Lengyel talk contribs created page Antiwedge product (Redirected page to Exterior products) Tag: New redirect
- 06:50, 15 July 2023 Eric Lengyel talk contribs created page Wedge product (Redirected page to Exterior products) Tag: New redirect
- 06:49, 15 July 2023 Eric Lengyel talk contribs created page Exterior antiproduct (Redirected page to Exterior products) Tag: New redirect
- 06:49, 15 July 2023 Eric Lengyel talk contribs created page Exterior product (Redirected page to Exterior products) Tag: New redirect
- 06:49, 15 July 2023 Eric Lengyel talk contribs created page Geometric product (Redirected page to Geometric products) Tag: New redirect
- 06:48, 15 July 2023 Eric Lengyel talk contribs created page Geometric antiproduct (Redirected page to Geometric product) Tag: New redirect
- 06:48, 15 July 2023 Eric Lengyel talk contribs created page Scalar (Redirected page to Scalars and antiscalars) Tag: New redirect
- 06:48, 15 July 2023 Eric Lengyel talk contribs created page Bulk norm (Redirected page to Geometric norm) Tag: New redirect
- 06:47, 15 July 2023 Eric Lengyel talk contribs created page Weight norm (Redirected page to Geometric norm) Tag: New redirect
- 06:47, 15 July 2023 Eric Lengyel talk contribs created page Antiscalar (Redirected page to Scalars and antiscalars) Tag: New redirect
- 06:47, 15 July 2023 Eric Lengyel talk contribs created page Unitized (Redirected page to Unitization) Tag: New redirect
- 06:46, 15 July 2023 Eric Lengyel talk contribs created page Weight (Redirected page to Bulk and weight) Tag: New redirect
- 06:46, 15 July 2023 Eric Lengyel talk contribs created page Bulk (Redirected page to Bulk and weight) Tag: New redirect
- 06:46, 15 July 2023 Eric Lengyel talk contribs created page Reverse (Redirected page to Reverses) Tag: New redirect
- 06:45, 15 July 2023 Eric Lengyel talk contribs created page Complement (Redirected page to Complements) Tag: New redirect
- 06:45, 15 July 2023 Eric Lengyel talk contribs created page Grades (Redirected page to Grade and antigrade) Tag: New redirect
- 06:45, 15 July 2023 Eric Lengyel talk contribs created page Trivectors (Redirected page to Trivector) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Bivectors (Redirected page to Bivector) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Translations (Redirected page to Translation) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Reflections (Redirected page to Reflection) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Rotations (Redirected page to Rotation) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Planes (Redirected page to Plane) Tag: New redirect
- 06:44, 15 July 2023 Eric Lengyel talk contribs created page Lines (Redirected page to Line) Tag: New redirect
- 06:43, 15 July 2023 Eric Lengyel talk contribs created page Points (Redirected page to Point) Tag: New redirect
- 06:43, 15 July 2023 Eric Lengyel talk contribs created page Trivector (Created page with "A ''trivector'' in a geometric algebra is an element composed entirely of components having grade 3. == See Also == * Vector * Bivector * Antivector")
- 06:42, 15 July 2023 Eric Lengyel talk contribs created page Bivector (Created page with "A ''bivector'' in a geometric algebra is an element composed entirely of components having grade 2. == See Also == * Vector * Trivector * Antivector")
- 06:42, 15 July 2023 Eric Lengyel talk contribs created page Antivector (Created page with "An ''antivector'' in a geometric algebra is an element composed entirely of components having antigrade 1. In an ''n''-dimensional geometric algebra, these are the elements having grade $$n - 1$$. == See Also == * Vector * Bivector * Trivector")
- 06:41, 15 July 2023 Eric Lengyel talk contribs created page Antivectors (Redirected page to Antivector) Tag: New redirect
- 06:40, 15 July 2023 Eric Lengyel talk contribs created page Vector (Created page with "A ''vector'' in a geometric algebra is an element composed entirely of components having grade 1. == See Also == * Bivector * Trivector * Antivector")
- 06:40, 15 July 2023 Eric Lengyel talk contribs created page Vectors (Redirected page to Vector) Tag: New redirect
- 06:39, 15 July 2023 Eric Lengyel talk contribs created page Antiscalars (Redirected page to Scalars and antiscalars) Tag: New redirect
- 06:39, 15 July 2023 Eric Lengyel talk contribs created page Scalars (Redirected page to Scalars and antiscalars) Tag: New redirect
- 06:37, 15 July 2023 Eric Lengyel talk contribs created page Antigrade (Redirected page to Grade and antigrade) Tag: New redirect
- 06:36, 15 July 2023 Eric Lengyel talk contribs created page Grade (Redirected page to Grade and antigrade) Tag: New redirect
- 06:36, 15 July 2023 Eric Lengyel talk contribs created page Commutators (Created page with "In geometric algebra, there are four ''commutator'' products defined as follows. :$$[\mathbf a, \mathbf b]^{\Large\unicode{x27D1}}_- = \dfrac{1}{2}\left(\mathbf a \mathbin{\unicode{x27D1}} \mathbf b - \mathbf b \mathbin{\unicode{x27D1}} \mathbf a\right)$$ :$$[\mathbf a, \mathbf b]^{\Large\unicode{x27D1}}_+ = \dfrac{1}{2}\left(\mathbf a \mathbin{\unicode{x27D1}} \mathbf b + \mathbf b \mathbin{\unicode{x27D1}} \mathbf a\right)$$ :$$[\mathbf a, \mathbf b]^{\Large\unicode...")
- 06:35, 15 July 2023 Eric Lengyel talk contribs created page Point (Created page with "400px|thumb|right|'''Figure 1.''' A point is the intersection of a 4D vector with the 3D subspace where $$w = 1$$. In the 4D rigid geometric algebra $$\mathcal G_{3,0,1}$$, a ''point'' $$\mathbf p$$ is a vector having the general form :$$\mathbf p = p_x \mathbf e_1 + p_y \mathbf e_2 + p_z \mathbf e_3 + p_w \mathbf e_4$$ . All points possess the geometric property. The bulk of a point is given by its $$x$$, $$y$$, and $$z$$ coordinates, and...")
- 06:35, 15 July 2023 Eric Lengyel talk contribs created page File:Point.svg
- 06:35, 15 July 2023 Eric Lengyel talk contribs uploaded File:Point.svg
- 06:33, 15 July 2023 Eric Lengyel talk contribs created page Duality (Created page with "480px|thumb|right|'''Figure 1.''' The coordinates $$(p_x, p_y, p_z, p_w)$$ can be interpreted as the one-dimensional span of a single vector representing a homogeneous point or as the $$(n - 1)$$-dimensional span of all orthogonal vectors representing a homogeneous plane. Geometrically, these two interpretations are dual to each other, and their distances to the origin are reciprocals of each other. The concept of duality can be understood geometric...")