单选题

对于下面的向量x,y,x = (0,−1, 0, 1), y = (1, ...

Question

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:（）

A. cos(x, y) = 0, corr(x, y)=0, Euclidean(x, y) = 2

B. cos(x, y) = 1, corr(x, y)=0, Euclidean(x, y) = 2

C. cos(x, y) = 1, corr(x, y)=0, Euclidean(x, y) = 1

D. cos(x, y) = 0, corr(x, y)=1, Euclidean(x, y) = 2