Normalize to unit norm

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Nuchto
Nuchto on 27 May 2012
I have a variable containing a probability distribution (just an one-dimensional array of values). How can I normalize a to unit norm?

Accepted Answer

Wayne King
Wayne King on 27 May 2012
If you want to normalize a vector to have unit L2 norm.
x = randn(100,1);
x = x./norm(x,2);
norm(x,2)
  12 Comments
Nuchto
Nuchto on 2 Jun 2012
Thanks, it works now. What is in lay terms :) the difference between l1 and l2 norm?
Oleg Komarov
Oleg Komarov on 2 Jun 2012
http://en.wikipedia.org/wiki/Norm_%28mathematics%29, Euclidean vs taxicab

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