计算力学中经典四阶常微分方程求解，包含配点法、有限体积法、有限元法等各类方法，并进行结果比较。-Codes for solving classical 4-order ODEs in Computational Mechanics

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)