02_006_Vector_space_Euclid_space_Distance_between_2_vectors_in_Euclidian_distance.html ========================================================= There are many kinds in vector space You will deal with Euclid space ========================================================= Distance between 2 vectors as Euclidian distance $$$d_{E}(x,y) = |x-y|=||x-y||=\sqrt{\sum\limits_{k=1}^{d}(x_{k}-y_{k})^{2}}$$$ 2018-06-11 07-50-46.png