这是一个外弹道的简单matlab仿真，其中包含了四节龙格库塔方法（自己编写）程序并用matlab GUI加以实现，可以作为GUI学习的参考，是西北工业大学探测制导与控制技术专业本科课程设计的内容。-This is a simply　simulation program by matlab, which contains four Runge-Kutta method　program and　be realized by matlab GUI,it can serve as a reference for learning GUI,it is from Northwest Polytechnical University probing Guidance and Control Technology undergraduate courses content design.