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Mathematics
Differential Geometry
Finding the unit Normal to a surface using the metric tensor.
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[QUOTE="jedishrfu, post: 6010681, member: 376845"] The unit normal to the surface has a length of one. It is a vector that is perpendicular to vectors in the tangent plane at that chosen point. The gradient vector at that point is also perpendicular to the tangent plane and so by computing the gradient and dividing the gradient vector by its own length we get the unit normal vector to the surface. It’s explained in more detail in this video lecture [MEDIA=youtube]SPLHnC1vTzs[/MEDIA] [/QUOTE]
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Forums
Mathematics
Differential Geometry
Finding the unit Normal to a surface using the metric tensor.
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