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  • What do the symbols d dx and dy dx mean? - Mathematics Stack Exchange
    Okay this may sound stupid but I need a little help What do $\Large \frac {d} {dx}$ and $\Large \frac {dy} {dx}$ mean? I need a thorough explanation Thanks
  • What is the difference between $dy$ and $Δy$ and why is $dx$ is same as . . .
    For examples, this $\mathrm {d}y$ as $\delta y$ and $\mathrm {d}x$ as $\delta x$ notation is used in videos like the ones mentioned in a comment by the OP Yashasv Prajapati: blackpenredpen 's “ delta y vs dy (differential) ” and The Math Sorcerer 's “ How to Compute Delta y and the Differential dy ”
  • dy dx和dx dy有什么区别? - 知乎
    高数变简单 8 人赞同了该回答 就是dx和dy谁除以谁的关系呀 看完我的这个视频之后还不懂请来怪我~~~ 讲了:dx dy的意思 、微分的定义 、导数符号的意思 视频资源加载失败 dx dy的意思 微分的定义 导数符号的意思 编辑于 2017-12-13 07:20
  • 参数方程怎么求的二阶导? - 知乎
    先是一阶参数导数dy dx=(dy dt)*(dt dx)=(dy dt)*(dx dt)^-1。 为什么要这样,最主要是你得到的是参数方程,你可以化简在求导,但往往有时候你不能把它表示出来,但你却可以根据这公式求出它的导数,这里化成这样最主要是给你的参数方程中都有y和t,x和t
  • 高等数学中,dy 的「d」是什么意思? - 知乎
    dx代表一个趋近于0的实数(有时写作h),dy的意义则演化为dx的值乘上导数。 另:我看到了目前为止最高赞的答案,d代表Differentiation我觉得是不够准确的,但也只是感觉,如果能注明出处就更好了。
  • 如何评价抖音里的郭延娇郭律? - 知乎
    如何评价抖音里的郭延娇郭律? 最近DY给我疯狂推荐郭律,十条里面三四条都是她。 职业律师,既懂婚姻相关法律业务,又懂男人,经常讲一些恋爱婚姻技巧,既懂男性心理又有斗争策略,都快变成… 显示全部 关注者 1,465 被浏览
  • In differential calculus, why is dy dx written as d dx ( y)?
    In differential calculus, We know that dy dx is the ratio between the change in y and the change in x In other words, the rate of change in y with respect to x Then, why is dy dx written as d dx
  • 导数 dy dx 是不是一个整体符号? - 知乎
    由于dy dx定义的出发点,这个符号是 一个整体,而不是一个可以拆开的东西。 微分形式、流形等等概念依然十分重要:之所以定义这些概念,是因为我们想在各种各样千奇百怪的几何上继续愉快地微积分;它们的定义也自然的包含了一元函数的情况——事实上




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