(self)
return self._frequency
Returns the frequency of the wave.

        Examples
        ========

        >>> from sympy import symbols
        >>> from sympy.physics.optics import TWave
        >>> A, phi, f = symbols('A, phi, f')
        >>> w = TWave(A, f, phi)
        >>> w.frequency
        f
Returns the frequency of the wave.
Returns the frequency of the wave .
def frequency(self):
        """
        Returns the frequency of the wave.

        Examples
        ========

        >>> from sympy import symbols
        >>> from sympy.physics.optics import TWave
        >>> A, phi, f = symbols('A, phi, f')
        >>> w = TWave(A, f, phi)
        >>> w.frequency
        f
        """
        return self._frequency
def frequency ( self ) : return self . _frequency