(self)
return self.args[1][0]
The curve function variable.

        Returns
        =======

        parameter : SymPy symbol

        See Also
        ========

        functions

        Examples
        ========

        >>> from sympy.abc import t
        >>> from sympy.geometry import Curve
        >>> C = Curve([t, t**2], (t, 0, 2))
        >>> C.parameter
        t
The curve function variable.
The curve function variable .
def parameter(self):
        """The curve function variable.

        Returns
        =======

        parameter : SymPy symbol

        See Also
        ========

        functions

        Examples
        ========

        >>> from sympy.abc import t
        >>> from sympy.geometry import Curve
        >>> C = Curve([t, t**2], (t, 0, 2))
        >>> C.parameter
        t

        """
        return self.args[1][0]
def parameter ( self ) : return self . args [ 1 ] [ 0 ]