Unit Vector Along a Vector (a_hat = a / |a|)
jee-advancedjee-main
a_hat = a / |a|
What each symbol means
| Symbol | What it stands for |
|---|---|
| \hat{a} | Unit vector in direction of a |
| |\vec{a}| | Non-zero magnitude |
When to use this
\vec{a} \neq \vec{0}. Direction unchanged, length becomes 1.