Multiplication is a form of repeated addition. But scaling is correct too. Scaling is to multiply by a scalar. When you multiply a scalar and a vector, the vector lengthens or contracts. This can also be repeated addition of the vector.

However, the repeated addition concept falls apart with multiplication by zero.

Sort of. Certainly 0 x 5=0 is not repeated addition.

Except 0 x 5=5 x 0=0+0+0+0+0. So it can work.

Self-Employed Software Developer, Trainer, Consultant. Keeping up to date. I’ve noticed in over 28 years of programming, one’s current skills have a shelf life.

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