Compute the magnitude of a scalar multiple π€π« using ||π€π«|| = |π€|π«. Compute the direction of π€π« knowing that when |π€|π« β 0, the direction of π€π« is either along π« (for π€ > 0) or against π« (for π€ < 0).

Vector and Matrix Quantities

- Perform operations on vectors.
Multiply a vector by a scalar.