one fable-low hijack cell
pair Vector / direction
envelope code_caret
ordering AB
effort low
Code-flavored caret operator — '{X} ^ {Y}'
verdictpicked Vector (first-offered)
· classifierA
· tiernone
response (200 chars)
# Vector "Hat" Notation (â) — Direction
The **hat symbol (^)** over a vector indicates a **unit vector** — a vector with magnitude 1 that shows **direction only**.
## Definition
$$\hat{a} = \frac{\
neighbors