Normalizing Vectors
Normalizing Vectors
A nonzero vector is normalized by dividing it by its length. The resulting vector has length 1 and lies in the same direction.
In 2D, the length of is given by Pythagoras's formula: .
v=(x,y)
|v|=+
2
x
2
y
In 3D, the length of is .
v=(x,y,z)
|v|=++
2
x
2
y
2
z
In any dimension, the normalized vector of is .
v
v/|v|=v
v·v
External Links
External Links
Permanent Citation
Permanent Citation
George Beck
"Normalizing Vectors"
http://demonstrations.wolfram.com/NormalizingVectors/
Wolfram Demonstrations Project
Published: March 7, 2011