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                ![](http://www.rhinostudio.cn/files/course/2020/02-24/234326e81c34562457.png) ## **Cross Product** 向量積,數學中又稱外積、叉積,物理中稱矢積、叉乘,是一種在向量空間中向量的二元運算。與點積不同,它的運算結果是一個向量而不是一個標量。并且兩個向量的叉積與這兩個向量和垂直。簡單說,就是用來求兩個矢量組成工作平面的垂直方向,即z軸。 ![](http://www.rhinostudio.cn/files/course/2020/02-24/234654e54008460168.png) ![](http://www.rhinostudio.cn/files/course/2020/02-24/2348320d6597162673.png)
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