What do the symbols d/dx and dy/dx mean? - Mathematics Stack …
May 2, 2015 · 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 …
Jul 31, 2020 · 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: …
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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...
Meaning of dx, dy, du (u-substitution) - Mathematics Stack Exchange
Apr 8, 2018 · Meaning of dx, dy, du (u-substitution) Ask Question Asked 7 years, 8 months ago Modified 6 years, 7 months ago
calculus - Why is the 2nd derivative written as $\frac {\mathrm …
Mar 5, 2011 · In Leibniz notation, the 2nd derivative is written as $$\dfrac {\mathrm d^2y} {\mathrm dx^2}\ ?$$ Why is the location of the $2$ in different places in the $\mathrm …
calculus - Is $dx\,dy$ really a multiplication of $dx$ and $dy ...
Apr 8, 2023 · You could; for example, multiply two polynomials and get another polynomial, but a polynomial isn't a number. As to the original question; it would be better phrased as "can we …
Where does the $dy$ go in the process of integration?
Jul 25, 2019 · Yes, ∫dy is somehow the same as y! imagine dy as a bit of y and ∫ as a sum over the bits.
老师说链式法则里某个 dy/dx 不能理解为 dy 除以 ... - 知乎
帮忙找出链式法则里一处笔误。 关于莱布尼茨记号的历史实在是太长了，有很多数学家的工作在里面，包括Bernoulli兄弟在内的大数学家在后来都对此进行了完善。有兴趣的同学可以去看《古 …
Correlation of $aX + bY$ and $cX + dY$ for independent normal RV
Nov 20, 2016 · Compute correlation between $aX + bY$ and $cX + dY$, for real numbers $a, b, c, d$ and independent $N (0, 1)$ variables $X, Y$ .