New posts in functions

Let $f$ be a bounded, continuous function such that $f(t+17) = f(t)$ for all $t$

integration functions continuity periodic-functions

Why do reciprocal functions work for undefined values?

limits functions trigonometry

Ratio of two positive functions

Differentiate $\sin \sqrt{x^2+1} $with respect to $x$?

calculus functions trigonometry derivatives

Normalisation using Softmax- What advantage does exponential provide

statistics functions

Is there a shorthand or symbolic notation for "differentiable" or "continuous"?

calculus real-analysis functions notation

Why do we limit the definition of a function? [duplicate]

(Non)Existence of limits

real-analysis analysis limits functions metric-spaces

Finding coefficient of polynomial?

combinatorics functions polynomials binomial-coefficients

Intuition behind arc length formula

calculus functions intuition

Does there exist a function that is differentiable but not integrable? or integrable but not differentiable?

integration functional-analysis functions

Nowhere continuous functions $f: \mathbb{R} \to \mathbb{R}$ such that $f\bigl(f(x)\bigr) = \frac{f(2x)}{2}$ [closed]

real-analysis calculus functions continuity functional-equations

Representing a real valued function as a sum of odd and even functions [duplicate]

Differentiable $f$ such that the set of translates of multiples of $f$ is a vector space of dimension two

functional-analysis functions

Solution to the functional equation $f(2x) = f(x)\cdot\sin(x)$?

real-analysis functions fourier-analysis functional-equations

Show function $f(x,y)=(x^2-y^2,2xy)$ is $1$-$1$ by Inverse Function Theorem

calculus real-analysis multivariable-calculus functions inverse-function-theorem

Periodic polynomial?

functional-analysis functions polynomials periodic-functions

Understanding Evaluation Mapping

real-analysis general-topology functions

An Open Interval and a Half-open Interval are not Homeomorphic

real-analysis general-topology functions

Product of functions is $0$ but none of the functions is identically $0$?

functions roots