My problem: I am trying to find the smallest value of N for which error is less than 10^-4. I am just wondering why N is not being displayed at the end of the code.

`N=10;error=1;while error<10^-4 N=N+1; sum=0; for n=1:N y=1/n^2; sum=sum+y; end error=((pi^2)/6)-sum; disp(N)end`

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