Math 2.0

concept

Tangent plane and normal vector of a surface

Summary

The tangent plane of a surface at a point is the plane that best approximates the surface near the point. A normal vector is a nonzero vector perpendicular to the tangent plane.

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  1. Parametrised surface concept
  2. Tangent plane and normal vector of a surface concept

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Sources

  1. Web https://en.wikipedia.org/wiki/Normal_(geometry), Normal to general surfaces in 3D space