本程序包含桁架及刚架计算、gui互动界面、桁架动画显示、数据存储功能。编写软件matlab，gutilixue3.fig为界面文件，gutilixue3.m为代码文件-The Program contains truss and fr a me calculation, interactive interface, animations truss display, data storage capabilities. Writing software is matlab, gutilixue3