論文：Elkan, C. (2003). Using the triangle inequality to accelerate k-means. In Machine Learning, Pro-
ceedings of the Twentieth International Conference (ICML 2003), August 21-24, 2003, Washing-
ton, DC, USA, pages 147–153.
參考博客：http://www.cnblogs.com/bradleon/p/6842549.html?utm_source=itdadao&utm_medium=referral?
今天的任務(wù)馆蠕，把這個(gè)原理搞清楚低葫，最好代碼寫出來~
網(wǎng)上介紹了《數(shù)據(jù)挖掘?qū)д摗费憔海懿诲e(cuò)的書儡毕，有空看看扒吁。
改進(jìn)后的k-means:
