Essential Mathematics for Computational Design 08

내적의 속성(Dot product properties)
 
만약 a, bc 가 벡터이고 s 가 스칼라라고 한다면 벡터의 내적은 아래와 같은 속성을 가집니다.
 
1. a . a = | a |2
2. a . (b + c) = a . b + a . c
3. 0 . a = 0
4. a . b = b . a
5. (sa) . b = s(a . b) = a . (sb)

 

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