对于下面的向量x、y,x = (0,−1, 0, 1), y = (1, 0,−1, 0),则余弦,相关,欧几里得系数分别为:()
cos(x, y) = 0, corr(x, y)=0, Euclidean(x, y) = 2
cos(x, y) = 1, corr(x, y)=0, Euclidean(x, y) = 2
cos(x, y) = 1, corr(x, y)=0, Euclidean(x, y) = 1
cos(x, y) = 0, corr(x, y)=1, Euclidean(x, y) = 2