l2-norm ( k -- x )
Matrix operations

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Vocabulary
math.vectors

Inputs

k	a sequence

Outputs

x	a non-negative real number

Generic word contract
Implementation for the default norm, in 𝑙₂ (L^2) vector space, usually written ∥･∥₂.

See also
frobenius-norm, hilbert-schmidt-norm

Definition

USING: math.functions ;

IN: math.vectors

: l2-norm ( k -- x ) norm-sq sqrt ; inline