The call GetRootPoint(v) returns the root point, as a free Vector, of the vector space to which the rooted Vector v belongs.

For more information about Vectors in the VectorCalculus package, see VectorCalculus,Details.

$\mathrm{with}\left(\mathrm{VectorCalculus}\right)\:$

$\mathrm{vs}≔\mathrm{VectorSpace}\left(\mathrm{cartesian}\left[x,y\right]\,\left[a\,b\right]\right)\:$

$v≔\mathrm{vs}:-\mathrm{Vector}\left(\left[c\,d\right]\right)\:$

$\mathrm{GetRootPoint}\left(v\right)$

$\left(a\right)e_x\+\left(b\right)e_y$