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Originally Posted by GUILLE What are normal and binormal unit vectors? |
It is really hard for me to describe without the use of picture. However, for now, the following site can better explain it in vector notations. I'll keep looking for a site that shows pictures.
http://tutorial.math.lamar.edu/AllBr...malVectors.asp
here is another with just a picture of the normal vector.
http://mathworld.wolfram.com/NormalVector.html
here is a description of a binormal vector, which is just the outer product of the normal vector and the tangent vector.
http://mathworld.wolfram.com/BinormalVector.html