def METHOD_NAME(self):
    if self.n:
        i = self.load_id.argsort()
        self.sid = self.sid[i]
        self.excite_id = self.excite_id[i]
        self.delay_id = self.delay_id[i]
        self.delay_tau = self.delay_tau[i]
        self.is_delay_table = self.is_delay_table[i]
        self.Type = self.Type[i]
        self.table_id = self.table_id[i]
        self.us0 = self.us0[i]
        self.vs0 = self.vs0[i]