Scalar Projection of a on b (Scalar projection of a onto b = (a·b)/|b|)
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Scalar projection of a onto b = (a·b)/|b|
What each symbol means
| Symbol | What it stands for |
|---|---|
| Result | Signed length along b direction (can be negative) |
When to use this
b \neq 0. Vector projection = (scalar projection) × \hat{b}.