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如何用matlab求解离散变量二阶导数？。
能够求导至少说明是一个连续函数，离散数据本身是无法求导的，只能近似。一种可能的办法是，利用你的数据拟合出函数，对函数求导后，再把数据代入导函数里
3 years ago | 0
| accepted
