用龙格－库塔法直接解算微分方程，程序中的例子是求解10个线性微分方程组-using the Runge - Kutta method direct solution differential equations, the procedures for example is 10 linear equations

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.