
Derivative Calculator - Symbolab
Free derivative calculator - differentiate functions with all the steps. Type in any function derivative to get the solution, steps and graph.
Derivative Calculator - Mathway
Enter the function you want to find the derivative of in the editor. The Derivative Calculator supports solving first, second...., fourth derivatives, as well as implicit differentiation and …
Derivative Calculator: Step-by-Step Solutions - Wolfram|Alpha
Free Derivative Calculator helps you solve first-order and higher-order derivatives. For trigonometric, logarithmic, exponential, polynomial expressions. Answers, graphs, alternate …
Derivative Calculator • With Steps!
The Derivative Calculator lets you calculate derivatives of functions online — for free! Our calculator allows you to check your solutions to calculus exercises. It helps you practice by …
Differential of a function - Wikipedia
The differential was first introduced via an intuitive or heuristic definition by Isaac Newton and furthered by Gottfried Leibniz, who thought of the differential dy as an infinitely small (or …
矩阵及矩阵范数求导 - gogo仙人掌 - 博客园
2018年8月9日 · 矩阵求导公式 基本公式:y = a * x --> dy/dx = at, y = x * a --> dy/dx = a y=xt*a--> dy/dx = a y = a * x--> dyt/dx = at y = a * x -->dy/dxt =
Vector derivation of $x^Tx$ - Mathematics Stack Exchange
Write x as $(x_1, x_2, \cdots, x_n)$. Then $x^t x = \sum_i x_i^2$. So, for example, $$\frac{d}{dx_1} x^t x = \frac{d}{dx_1} \left( \sum x_i^2\right) = \frac{d}{dx_1} x_1^2 = 2x_1$$ …
calculus - dx (t)/dx vs. dx/dx - Mathematics Stack Exchange
2015年10月7日 · Think about $\frac{dx}{dx}$ as $\frac{d}{dx}(x)$ which means the derivative of the function $x$ (taking $x$ to be the variable--from the denominator of the fraction). Whereas …
矩阵求导公式 - 知乎 - 知乎专栏
小写字母abc代表常量或常向量,小写字母表示xyz表示列向量,x'y'z'表示行向量,大写字母XYZ表示矩阵,d表示微分。 一律采用 分母布局 ,因为我所看过大多数论文以及机器学习书上采用 …
导数/微积分中符号 d 有什么意义?是如何参与运算的? - 知乎
大二时有了一个比较好的答案:形式微分。大概是说 dx 是一个泛函(函数的函数) 它把 任何一个函数 f 映射为 f的积分值。大三的时候学测度论,发现 dx 是勒比格测度的记号。这在当时是相当让自 …