vector
vector 英 ['vektə] 美 ['vɛktɚ]
n. 矢量；带菌者；航线 vt. 用无线电导航
名词复数:vectors
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- n. 矢量；带菌者；航线
- vt. 用无线电导航
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1. Now, how do we get this unit vector?
那我们怎么得到这单位矢量呢？
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2. This is that vector.
就是这个矢量。
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3. Well, it might be good to think of, maybe, the position vector, and maybe its variation.
这还是比较容易想到的，假如这是位置矢量，这是它的变化量。
- vector (n.) "quantity having magnitude and direction," 1846; earlier "line joining a fixed point and a variable point," 1704, from Latin vector "one who carries or conveys, carrier" (also "one who rides"), agent noun from past participle stem of vehere "carry, convey" (from PIE root *wegh- "to go, move, transport in a vehicle"). Related: Vectorial.
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