It is asked that summation k=0 to the n ,1/(k^2+1) and n is an input variable. It is also asked the S versus k graph. I wrote a code like:

`n=input('enter the n value')S=0;for k=1:0.1:n S = S + 1/(k^2+1)endhold onplot(S,k,'--ro')`

The summation is correctly calculated by the n value given but I am not getting the plot result. It only gives the final summation value as a dot. What should I do to have a proper graph?

Thank you so much!

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