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Update 9. KNN
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Machine Learning/9. KNN/README.md

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![](https://latex.codecogs.com/gif.latex?D_{Chebyshev}(p,q)=max_i(|p_i-q_i|))
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这也等于以下Lp度量的极值: ![](https://latex.codecogs.com/gif.latex?\lim_{x \to \infty}(\sum_{i=1}^{n}|p_i-q_i|^k)^{1/k}),因此切比雪夫距离也称为L∞度量。
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这也等于以下Lp度量的极值: ![](https://gitee.com/kkweishe/images/raw/master/ML/2019-9-24_22-19-41.png),因此切比雪夫距离也称为L∞度量。
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以数学的观点来看,切比雪夫距离是由一致范数(uniform norm)(或称为上确界范数)所衍生的度量,也是超凸度量(injective metric space)的一种。
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