(self)
return np.prod(self.ub.value - self.lb.value, axis=1)
:return: volume of each bounded volume
:return: volume of each bounded volume
: return : volume of each bounded volume
def size(self):
        """
        :return: volume of each bounded volume
        """
        return np.prod(self.ub.value - self.lb.value, axis=1)
def size ( self ) : return np . prod ( self . ub . value - self . lb . value , axis = 1 )