Source code for sympy.vector

from sympy.vector.vector import (Vector, VectorAdd, VectorMul,
                                 BaseVector, VectorZero)
from sympy.vector.dyadic import (Dyadic, DyadicAdd, DyadicMul,
                                 BaseDyadic, DyadicZero)
from sympy.vector.scalar import BaseScalar
from sympy.vector.deloperator import Del
from sympy.vector.coordsysrect import CoordSysCartesian
from sympy.vector.functions import (express, matrix_to_vector,
                                    curl, divergence, gradient,
                                    is_conservative, is_solenoidal,
                                    scalar_potential,
                                    scalar_potential_difference)
from sympy.vector.point import Point
from sympy.vector.orienters import (AxisOrienter, BodyOrienter,
                                    SpaceOrienter, QuaternionOrienter)