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解微分方程 数值解 解析解。
微分方程的龙格库塔方法规律性虽然比较好，但是一般人是记不住的，楼主还是找书的好。一般来说高阶微分方程都可以化简为一阶微分方程组，你的是二阶的，化简其实是比较简单（但是引入的中间参数挺多，很烦人的），所以还是亲力亲为吧！原理简单，手续复杂，懒得下手。
3 years ago | 0
| accepted
