采用matlab编写的常微分方程的数值解法，有算例，以及改进龙格库塔方法。-The numerical solution of ordinary differential equation by using Matlab prepared, with examples, and the improvement of the Runge Kutta method.

multirate partitioned runge kutta methods

龙格库塔法求解常微分方程，matlab程序，解决速率方程的计算(Runge-Kutta method for solving ordinary differential equations, matlab program, to solve the calculation of the rate equation)