x0 = 100;
r=1.02;
%Bring the assignment out of loop, as it is not affected by the loop
x = x0;
%Define indices to loop over
j = 1:5;
for k=j
x(k+1) = r*x(k);
end
%Plot with markers to show the data points
plot(j,x(j),'bo-')
grid on
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