Writing a MATLAB script to calculate the values of x1[n], x2[n], x3[n], x4[n[ and x5[n] for −5 ≤ 𝑛 ≤ +5

Question

Jacob 2023-9-26

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2026162-writing-a-matlab-script-to-calculate-the-values-of-x1-n-x2-n-x3-n-x4-n-and-x5-n-for-5

回答： Sulaymon Eshkabilov 2023-9-26

I am trying to write MATLAB script to calculate the values of x1[n], x2[n], x3[n], x4[n[ and x5[n] for −5 ≤ 𝑛 ≤ +5 which I am unsure how to do this is what I have so far any help or tips is greatly appreciated!

n1=-5:5;
n=input('n:')
sum=0;
for i=1:n
sum=sum+i+i+i+i+i
end

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Answer 1

Sulaymon Eshkabilov 2023-9-26

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2026162-writing-a-matlab-script-to-calculate-the-values-of-x1-n-x2-n-x3-n-x4-n-and-x5-n-for-5#answer_1319172

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If understood your question correctly, it can be done in this way with a loop or cumsum():

n1=-5:5;
% n=input('n = '); % Not supported in online MATLAB
% e.g.: n = 6
n=6;
sum=0;
for ii=1:numel(n1)
sum=sum+n1(ii);
x(ii)=sum;
end
fprintf('The value of x(%d) = %d \n', n, x(n))
The value of x(6) = -15 
% or using cumsum()
x = cumsum(n1);
fprintf('The value of x(%d) = %d \n', n, x(n))
The value of x(6) = -15 