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单词 VectorProductInGeneralVectorSpaces
释义

vector product in general vector spaces


The vector product can be defined in any finite dimensional vector spaceMathworldPlanetmath V with dimV=n. Let v1,,vn be a basis of V, we then define the vector product of the vectors w1,,wn-1 in the following way:

w1××wn-1=j=1nvjdet(w1,,wn-1,vj).

One can easily see that some of the properties of the vector product are the same as in 3:

  • If one of the wi is equal to 0, then the vector product is 0.

  • If wi are linearly dependent, then the vector product is 0.

  • In a Euclidean vector space w1××wn-1 is perpendicularMathworldPlanetmathPlanetmathPlanetmath to all wi.

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更新时间:2025/5/4 20:06:44