Actions on vectors

Lecture



The sum of the vectors a (a1; a2; a3) and b (b1; b2; b3) is the vector c (a1 + b1; a2 + b2; a3 + b3).
The product of the vector a (a1; a2; a3) by λ is the vector λ a = (λa1; λa2; λa3).
The scalar product of vectors (a1; a2; a3) and (b1; b2; b3) is the number a1b1 + a2b2 + a3b3.
created: 2014-10-05
updated: 2021-03-13
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Stereometry

Terms: Stereometry