振型分解反应普法地震力计算程序1.0 使用MATLAB7.0编写 主程序 本程序采用振型分解反应谱法计算框架结构水平地震力-Modal Decomposition of seismic force calculation program popularizing the use of 1.0 MATLAB7.0 write the main program used in this procedure Modal response spectrum method to calcu