(self, *args, **kwargs)
return ov
Substituion on the Vector.

        Examples
        ========

        >>> from sympy.physics.vector import ReferenceFrame
        >>> from sympy import Symbol
        >>> N = ReferenceFrame('N')
        >>> s = Symbol('s')
        >>> a = N.x * s
        >>> a.subs({s: 2})
        2*N.x
Substituion on the Vector.
Substituion on the Vector .
def subs(self, *args, **kwargs):
        """Substituion on the Vector.

        Examples
        ========

        >>> from sympy.physics.vector import ReferenceFrame
        >>> from sympy import Symbol
        >>> N = ReferenceFrame('N')
        >>> s = Symbol('s')
        >>> a = N.x * s
        >>> a.subs({s: 2})
        2*N.x

        """

        ov = Vector(0)
        for i, v in enumerate(self.args):
            ov += Vector([(v[0].subs(*args, **kwargs), v[1])])
        return ov
def subs ( self , * args , * * kwargs ) : ov = Vector ( 0 ) for i , v in enumerate ( self . args ) : ov += Vector ( [ ( v [ 0 ] . subs ( * args , * * kwargs ) , v [ 1 ] ) ] ) return ov