Determining Vector Direction: Finding Unit Vectors

Gurasees · Mar 19, 2017

Why is there a need to find unit vector? If we are given a vector we can always find its direction.

mfb · Mar 19, 2017

More context would help. For calculations a unit vector is often useful because you save the step of dividing by its length (if you only want the direction, e.g. in scalar products).

lokecl · Mar 27, 2017

Gurasees said:

Why is there a need to find unit vector? If we are given a vector we can always find its direction.

It is similar to the concept of unit price.

Determining Vector Direction: Finding Unit Vectors

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