%"Tabulate" class: Write a program to calculate e from the definition
clear all
%
% Switch between output options for screen or file
%iOut=1;
iOut=fopen('NumericalOutput.txt','w');
fprintf(iOut,'       x      (1+x)^(1/x)    Diff(pct)\n');
%
eValue=exp(1);
%
xVals=[0.5,0.1,0.01,0.001,0.0001,0.00001,0.000001];
NN=length(xVals);
for iN=1:NN
    x=xVals(iN);
    eLimit=(1+x)^(1/x);
    eDiff=100*(eValue-eLimit)/eValue;
    fprintf(iOut,'%8.6f       %10.8f        %5.3g\n',[x,eLimit,eDiff]);
end
%
% Only "close" a file if it is specifically "opened"
fclose(iOut);