How do I plot a graph from a code that is is using a function and looping feature

2018 12 10
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更新时间：2018 12 10
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I need to plot the below equation with "S" as a function of n. The code I wrote (below) isnt working so I assume that i have some sort of syntax issue ?
NN = [0:1:10];
for i = 1:length(NN)
S(i) = S(i) + (1/(2^NN(i)));
NN(i) = NN(i) +1;
end
plot(NN,S,'k-')

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Mark Sherstan
Mark Sherstan 2018-12-10
编辑：Mark Sherstan 2018-12-10

0 个投票

You are redeffining NN unessecarily and the first instance of S(i) is not defined. Consider preallocationg and changing your code to the folowing.
NN = [0:1:10];
S = zeros(length(NN),1);
for i = 1:length(NN)
S(i) = S(i) + (1/(2^NN(i)));
end
plot(NN,S,'k-')
Note: Your equation doesent make sense as S(i) is a function of itself at each step, S(i) = S(i).

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