关于离散点求导数。

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pavewe
pavewe on 25 Nov 2022
Answered: sidali on 25 Nov 2022
各位老师好，原始数据为
S为一维矩阵，H为一维矩阵，现求dS/dH，是不是可以用dS/dH=S(i)-S(i-1)/H(i)-H(i-1)求呢？还是有相关的函数求解?希望各位老师帮我看一下，谢谢。

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Accepted Answer

sidali
sidali on 25 Nov 2022
是可以用dS/dH=[S(i)-S(i-1)]/[H(i)-H(i-1)]。不过如果你的H(i)-H(i-1)是一个定步长的话，也可以用math老师说的diff函数就可以。

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