Loop iteration filling an array

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luca 2019-10-10

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https://ww2.mathworks.cn/matlabcentral/answers/484639-loop-iteration-filling-an-array

关闭： MATLAB Answer Bot 2021-8-20

Hi, I have a code with the following structure

for i= 1:7
    ....
        GGG= ....
        
    if i==1
        NEXTse= GGG  
        AAA = NEXTse
    elseif i>1
        NEXTse = GGG
        AAA = [SETT,[NEXTse(1,:);SETT(2,end)+cumsum(diff([0,NEXTse(2,:)]))];
     end
           
    
    SETT=AAA;
    end
    

My objective is to create an array SETT that after seven iteration collect all the value of GGG . During the first iteration I form an array AAA that collect GGG and then I insert it in SETT before pass to i=2.

Then at i=2, I attach to the previous SETT the new GGG through

AAA = [SETT,[NEXTse(1,:);SETT(2,end)+cumsum(diff([0,NEXTse(2,:)]))];

at i= 3 I attach again the GGG created in the third iteration to the previous 2.

I don't know why but the program gives me error, May someone told me why this logic is wrong?