Function: vectorv
Section: linear_algebra
C-Name: vvecteur
Prototype: GDVDE
Help: vectorv(n,{X},{expr=0}): column vector with n components of expression
 expr (X ranges from 1 to n). By default, fill with 0s.
Doc: as \tet{vector}, but returns a column vector (type \typ{COL}).
 %\syn{NO}