u(1 2 3)
v(4 -2 1)
u . v = 4 - 4 + 3 = 3
|v²| = 4² + (-2)² + 1² = 16 + 4 + 1 = 21
Proyeksi vektor u pada v
= (u . v / |v²|) . v
= (3/21) . v
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u(1 2 3)
v(4 -2 1)
u . v = 4 - 4 + 3 = 3
|v²| = 4² + (-2)² + 1² = 16 + 4 + 1 = 21
Proyeksi vektor u pada v
= (u . v / |v²|) . v
= (3/21) . v
= 1/7 (4 -2 1)
= (4/7 -2/7 1/7)