Homogeneous coordinates

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Notion

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Science and technology

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What Wikipedia says

In mathematics, homogeneous coordinates or projective coordinates, introduced by August Ferdinand Möbius in his 1827 work Der barycentrische Calcul, are a system of coordinates used in projective geometry, just as Cartesian coordinates are used in Euclidean geometry.

Excerpt from the Wikipedia article “Homogeneous coordinates”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Wojciech Muła, CC BY-SA 3.0, via Wikimedia Commons.