what mean l2 norm??

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mina
mina il 2 Mar 2013
what mean l2 norm??

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Wayne King
Wayne King il 2 Mar 2013
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))

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Albert
Albert il 2 Mar 2013
The euclidean distance is computed as a l2-norm, indeed.

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