For vector v=<3,2,-4>, how do you find the length and the unit vector in the same direction?

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- Apr 22nd 2009, 05:46 PMlaserLength/unit vector
For vector v=<3,2,-4>, how do you find the length and the unit vector in the same direction?

- Apr 22nd 2009, 05:54 PMGammaNorm
All you gotta do is divide the vector by its length.

So for any vector , you know that is a vector of unit length in the same direction as you just multiplied it by a scalar to adjust its length to be 1.