$$$\ln\left(w\right)$$$ 的導數
您的輸入
求$$$\frac{d}{dw} \left(\ln\left(w\right)\right)$$$。
解答
自然對數的導數為 $$$\frac{d}{dw} \left(\ln\left(w\right)\right) = \frac{1}{w}$$$:
$${\color{red}\left(\frac{d}{dw} \left(\ln\left(w\right)\right)\right)} = {\color{red}\left(\frac{1}{w}\right)}$$因此,$$$\frac{d}{dw} \left(\ln\left(w\right)\right) = \frac{1}{w}$$$。
答案
$$$\frac{d}{dw} \left(\ln\left(w\right)\right) = \frac{1}{w}$$$A
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