“Binormal Vector”的概念、定义、习题解题方法及翻译-数学辞典

单词

Binormal Vector

释义

Binormal Vector

			(1)
			(2)

where the unit Tangent Vector

and unit ``principal'' Normal Vector

are defined by

			(3)
			(4)

Here,

is the Radius Vector,

is the Arc Length,

is the Torsion, and

is the Curvature. The binormal vector satisfies theremarkable identity

(5)

See also Frenet Formulas, Normal Vector, Tangent Vector

References

Kreyszig, E. ``Binormal. Moving Trihedron of a Curve.'' §13 in Differential Geometry. New York: Dover, p. 36-37, 1991.

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