2005/05/31 | Binet-Cauchy恒等式[Binet-Cauchy Identity]
类别(∑〖数学〗) | 评论(0) | 阅读(61) | 发表于 20:23
The algebraic identity
(1)

Letting and gives Lagrange's identity.
The n = 2 case gives
(2)

The n = 3 case is equivalent to the vector identity
(3)

where is the dot product and is the cross product. Note that this identity itself is sometimes known as Lagrange's identity.
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