RW法是一种基于图论的多刚体建模方法。RW方法建立万向轴模型（包括演示动画程序） _simu为主程序、_ini初始参数、_end画图 一门课的作业，希望有人能用得上哈：）-RW is a method based on graph theory modeling of multi-body methods. RW method to establish universal shaft model (including the animation program) _simu the ma

一个稍微复杂的多体动力学实例 包括动画演示等文件 主文件为main_ok -A more complex multi-body dynamic animation examples, including the master file and other documents as main_ok

mapx的动画图层演示，选定两点，选定速度，就会显示动画-mapx animated presentation layer, select two points, the selected speed, the animation will be displayed