Euclidean Metric

Definition

• With $p=(p_1,\dots ,p_n)$
• With $q=(q_1,\dots ,q_n)$
• Then, $d(p,q)=\sqrt{(p_1-q_1{)}^2+(p_2-q_2{)}^2+\cdots +(p_n-q_n{)}^2}$