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A user with 285 edits. Account created on 24 May 2005.
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7 October 2024

30 September 2024

  • 22:5322:53, 30 September 2024 diff hist +44 Degree of a polynomial Undid revision 1244643184 by D.Lazard (talk) While quadratic is nowadays the more commonly used term for second-degree multivariate polynomials, it is easy to find examples of recently published papers that apply the word quadric to polynomials and equations, not just their loci. I was wondering if this usage was geographically restricted, but both the US dictionary.com and UK collins dict support me here. Tags: Undo Reverted

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  • 02:0302:03, 1 May 2020 diff hist 0 Anamorphosis Not all optical anamorphisms are affine transformations, only the oblique/perspective ones. An affine transformation must preserve lines, while a catoptric anamorphism might map a line to a circular arc.

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