Taking the unknown data point, the distance between the unknown data point and every known data point needs to be computed.
对于一个未知的数据点,这个未知数据点与每个已知数据点之间的距离需要被计算出来。
2
So the point on the edge must rotate much faster to cover that 50 in. in 1.8 seconds than the point near the center, which has to cover less than a fifth of the distance in the same time.