Definition:Asymptotically Non-Negative

Definition
Let $f$ be a real-valued functions.

Let $f$ be such that:
 * $\exists n_0 \in \Dom f: \forall n \ge n_0: \map f n \ge 0$

That is, $f$ is non-negative when $n$ is sufficiently large.

Then $\map f n$ is an asymptotically non-negative.