求解ODE 求解 ODE 定义 使用计算机方法求解一个 ODE 方程 可以得到解析解情形 对可以手算得到 ODE 方程的解析解的情形，没什么好说的 Mma 使用 Mathematica 符号计算 (DSolve) 求解 ODE 的解析解，效果挺好. 比如求解 $$ \begin{aligned} \ddot{x}+ae^x&=0\\ \Rightarrow
2022年6月6日
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