结构的动力特性和响应分析 ........................\EX241.m ........................\EX242.m ........................\EX243.m ........................\Inviter.m ........................\Modalresponse.m ........................\Ssiter.m ........................\TransResp1.m ........................\TransResp3.m ........................\TransResp4.m ........................\TransResp5.m ........................\freqresponse.m