Euclidean inner product can be thought of as a matrix multiplication using,
u.v=v^Tu
provided we consider u and v as column vectors.
上面係教材上見到
我想問u^Tv 唔啱咩,點解係v^T??
u^T=(u1 u2 ... un)
v=(v1
v2
'
'
vn)
然後乘埋係咪u.v??
如果得,u^Tv=v^Tu ??