# New post in Periodic-functions

## How to define a plane based on 4 points

September 18th, 2022

## Are sin and cos the only continuous and infinitely differentiable periodic functions we have?

September 18th, 2022

## Is signal periodic? What is the period?

September 18th, 2022

## Checking if a Discrete Time Signal is Periodic

September 18th, 2022

## How to find out the period of fractional part of x

September 18th, 2022

## Is $f(x)=\sin(x^2)$ periodic?

September 18th, 2022

## Is a broken clock right twice a day?

September 18th, 2022

## When is the integral of a periodic function periodic?

September 18th, 2022

## Express $\sin 4\theta$ by formulae involving $\sin$ and $\cos$ and its powers.

September 18th, 2022

## What's the difference between a cyclic and periodic function?

September 18th, 2022

## Period of the sum/product of two functions

September 18th, 2022

## An integrable and periodic function $f(x)$ satisfies $\int_{0}^{T}f(x)dx=\int_{a}^{a+T}f(x)dx$.

September 18th, 2022

## The sum of two periodic functions need not be a periodic function

September 18th, 2022

## If $f(x+1)+f(x-1)=\sqrt 3 f(x), \forall x$ then $f$ is periodic.

September 18th, 2022

## Proof that a periodic function is bounded and uniformly continuous.

September 18th, 2022

## How to determine the periods of a periodic function?

September 18th, 2022

## Why do we use trig functions in Fourier transforms, and not other periodic functions?

September 18th, 2022

## Are there periodic functions without a smallest period?

September 18th, 2022

## Integral of periodic function over the length of the period is the same everywhere

September 18th, 2022

## Non-trigonometric Continuous Periodic Functions

September 18th, 2022

## Is a constant function periodic?

September 18th, 2022

## Is the derivative of a periodic function always periodic?

September 18th, 2022

## Period of $f(2x+3)+f(2x+7)=2$

September 18th, 2022

## Period of derivative is the period of the original function

September 18th, 2022

## Define: Period & Fundamental Period

September 18th, 2022

## How do I determine if the following function is periodic?

September 18th, 2022

## Sum of two periodic functions is periodic?

September 18th, 2022

## Ways to generate triangle wave function.

September 18th, 2022

## Period of sum of sinusoids

September 18th, 2022

## If $f(x+1)+f(x-1)= \sqrt{2}\cdot f(x)$, find the period of $f(x)$.

September 18th, 2022