Question

producto punto de vectores, por favor.

Answer 1

$Dados \\ \\ u= \left[\begin{array}{ccc}u1\\u2\\.\\.\\un\end{array}\right] ; v= \left[\begin{array}{ccc}v1\\v2\\.\\.\\vn\end{array}\right] \\ \\ \\ u.v=u1.v1+u2.v2+...+ u_{n} . v_{n} \\ \\ Ejemplo \\ \\ u= \left[\begin{array}{ccc}-2\\2\\0\\-5\end{array}\right] ; v= \left[\begin{array}{ccc}1\\12\\-3\\0\end{array}\right] \\ \\ \\ u.v=-2.1+2.12+0.(-3)+(-5).0=-2+24+0+0=22$