If vector v = [3, 4], what is its magnitude?
If vector v = [3, 4], what is its magnitude?
Approach: Square root of the sum of squares.
5. sqrt(9 + 16) = 5.
Follow-up: What is the unit vector in the direction of v?
Key concepts: vector norm.
If vector v = [3, 4], what is its magnitude?
Approach: Square root of the sum of squares.
5. sqrt(9 + 16) = 5.
Follow-up: What is the unit vector in the direction of v?
Key concepts: vector norm.