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what mean l2 norm??

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mina
mina 2013-3-2
what mean l2 norm??

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Wayne King
Wayne King 2013-3-2
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))

更多回答（1 个）

Albert
Albert 2013-3-2
The euclidean distance is computed as a l2-norm, indeed.

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