Norm of A = [2 3; 1 -1] not equal to sqrt(15)
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Robin Lindström
on 29 Apr 2016
Commented: Robin Lindström
on 29 Apr 2016
Let A = [2 3; 1 -1].
norm(A) gives 3.6180 but shouldn't it equal sqrt(15) ~= 3.8730?
Any idea why it is like this?
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Accepted Answer
Torsten
on 29 Apr 2016
norm(A)=sqrt(maximum eigenvalue of A'*A)
You want norm(A,'fro'), I guess.
Best wishes
Torsten.
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