利用四阶runge-kutta法，计算铅垂面内导弹弹道轨迹的一个例子。-Using fourth-order runge-kutta method, calculation of vertical-plane trajectory of the missile an example

三点法跟踪运载火箭系统跟踪目标弹作匀速直线运动，拦截弹做匀速率运动。里面微分方程是用欧拉法求解的，为了提高精确度，改成四阶龙格库塔法-Tracking system to track the target missile launch vehicle for uniform linear motion, interceptor uniform rate of movement to do. Which is Euler' s method for solving differential

用4阶龙格库塔法求解给定攻角情况下的空地导弹弹道。-to solve a given Angle of attack of the ballistic missile with a four order runge kutta method.