MATLAB: L1 normalization of vector

l1normalization

I need to normalize the feature vectors by L1 normalization. Is there any built-in function in matlab? otherwise what is the procedure?

 x/norm(x,1)

If v is the vector do:

 v = v/norm(v);

(The 'norm' function gives L2 norm as a default.)

The l2 norm of a vector is the square root of the sum of the absolute values squared

X = randn(8,1);
norm(X,2)

The above is equal to

sqrt(sum(abs(X).^2))