def beta(self):
        """
        Courant-Snyder parameter :math:`\\beta`.
        """
        beta = _np.sqrt(self.sx)/self.emit
        return beta
def beta(self):
        """
        Courant-Snyder parameter :math:`\\beta`.
        """
        beta = _np.sqrt(self.sx)/self.emit
        return beta
def beta ( self ) : beta = _np . sqrt ( self . sx ) / self . emit return beta
Courant-Snyder parameter :math:`\\beta`.
Courant - Snyder parameter : math : \\ beta .