本程序为常微分方程组的通用数值解法。定步长4阶龙格库塔法求解常微分方程组。-This program is universal numerical solution of ordinary differential equations. 4-order fixed step length Runge Kutta method of ordinary differential equations.

大气中的火箭弹道模拟，考虑空气阻力因素，用4阶龙格库塔解运动方程-Atmospheric rocket trajectory simulation, considering air resistance factor, with fourth-order Runge-Kutta solution of the equations of motion