Category:Periodic Functions

This category contains results about Periodic Functions.
Definitions specific to this category can be found in Definitions/Periodic Functions.

Let $f: \R \to \R$ be a real function.

Then $f$ is periodic if and only if:

$\exists L \in \R_{\ne 0}: \forall x \in \R: f \left({x}\right) = f \left({x + L}\right)$