
Derivative of square root - Mathematics Stack Exchange
Nov 12, 2016 · What would be the derivative of square roots? For example if I have $2 \\sqrt{x}$ or $\\sqrt{x}$. I'm unsure how to find the derivative of these and include them especially in something …
Derivative of sigmoid function $\sigma (x) = \frac {1} {1+e^ {-x}}$
In my AI textbook there is this paragraph, without any explanation. The sigmoid function is defined as follows $$\sigma (x) = \frac {1} {1+e^ {-x}}.$$ This function is easy to differentiate
calculus - Confused: using Taylor series to find derivative ...
Dec 9, 2020 · Then the 6th derivative is 1/3! * 6! = 120. I am confused because taylor series seems really unrelated; there should be an equally easy way to do this just with derivatives and chain rule …
calculus - How to find the derivative of a piecewise function ...
Dec 17, 2023 · In principle, can a piecewise-defined function have a (nontrivial) piecewise-defined derivative, though? Sure, that's not an issue by any means, and sometimes is even an important …
Fastest way to find derivative of the function at the given point
Mar 25, 2021 · Fastest way to find derivative of the function at the given point Ask Question Asked 4 years, 8 months ago Modified 4 years, 7 months ago
Derivative of a function with respect to another function.
Oct 1, 2014 · Derivative of a function with respect to another function. [duplicate] Ask Question Asked 11 years, 2 months ago Modified 10 years, 3 months ago
calculus - How to find the derivative of a piece-wise function ...
Apr 6, 2021 · Both these are wrong ways of calculating derivative as derivative of $f$ at a point ($x=0$ here) requires $f$ to be atleast defined in some neighborhood of $a$ as per definition of $f' (0)$.
calculus - How to get derivative of a function without using the ...
Jun 22, 2020 · To answer your question, “am I doing wrong?”, you cannot get the derivative of a function by just using algebra to express the function in an equivalent expression. All of your algebraic …
Use a set of data points from a graph to find a derivative
Feb 14, 2013 · I need to find the derivative of each line and graph those as well. There is no known function that creates these curves, so I can't simply find the derivative of a function. All I have is a …
calculus - Find the derivative of a piecewise constant function ...
Feb 13, 2024 · From Wolfram research: The fundamental Theorem of Calculus applies when f (x) is continuous:; with your question, f (x) is not continuous, which is problematic for taking a derivative of …