(cls, x, n)
An expression for F(exp_polar(2*I*pi*n + pi*I)*x), |x| > 1.
An expression for F(exp_polar(2*I*pi*n + pi*I)*x), |x| > 1.
An expression for F ( exp_polar ( 2 * I * pi * n + pi * I ) * x ) |x| > 1 .
def _expr_big_minus(cls, x, n):
        """ An expression for F(exp_polar(2*I*pi*n + pi*I)*x), |x| > 1. """
        raise NotImplementedError
def _expr_big_minus ( cls , x , n ) : raise NotImplementedError