How to find the norm of the following matrix, please? Thank you!
$$T := \begin{bmatrix} 1 & n \\ 0 & 1 \end{bmatrix},$$
and $$\|T\| = \sqrt{n^2+1}.$$
2026-04-01 11:15:43.1775042143
Norm of Triangle Matrix
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This is just the matrix 2-norm: $$ \|T\|=\sqrt{\lambda_\max(T^TT)} $$