### Q28 2019

Hi,
how can I prove that the norm-2 of A is eps+d?
Thank you.

Top comment

The solution states that $$L_g$$ is an upper bound on the spectral norm of A.
The spectral norm of a matrix is the maximum eigenvalue.
The top eigenvalue/eigenvector pair of A is a uniform vector with eigenvalue $$\varepsilon+d$$.

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