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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ![](http://www.rhinostudio.cn/files/course/2019/05-05/145055f163f9698699.png) ## **Derivatives** 返回曲線t值位置處的各種衍生屬性,默認輸出端為point和First?Derivative(Derivatives)即速率。速率是標量,只有大小沒有方向。速率是瞬時速度的大小或者等價于路程的變化率。速率是物體經過的路程 △S 和通過這一路程所用時間 △t 的比值。另外,你可以放大之后增加輸出端,最多增加到六個。 ![](http://www.rhinostudio.cn/files/course/2019/05-05/1458240b47b7421612.png) emmmm,各位看看就好,反正我到現在位置從沒用過這個運算器。
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