CHAPTER 6. VECTORS=
=
Figure 81.
=- ï ì
r r
=λ⋅ =
=
λì=()λuIλvIλw
r
=
λì=ìλ
r r
=
- ()ì ì ì
r r r
λ+μ =λ +μ =
=- () ()ì ì ( )ì
r r r
λμ =μλ = λμ =
=
()ì î ì î
r r r r
λ + =λ +λ =
=
6.5 Scalar Product
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r
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r
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ì⋅î=ì⋅î⋅Åçëθ
r r r r
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r
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r
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