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5.50.2 ℓ2 matrix norm: norm l2norm

The ℓ2 norm of a matrix is an operator norm (see Section 5.50.6) induced by the ℓ2 norm on vectors (see Section 5.42.1). The l2norm computes the ℓ2 norm of a matrix.
norm is a synonym for l2norm.

Example

Input:

l2norm([[1,2],[3,-4]])

Output:

5.11667273602

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