How do I store output from double for loops, I only get the last iteration?

Question

Linus Dock 2016-10-6

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评论： Linus Dock 2016-10-6

Hi, I have forgot how to store my output from the following for loop. I only recover the last iteration of my outer for loop but I would like to store all the data in either one long cell or one cell for each iteration. Is it possible to this and in that case could someone please help? The output cell is flygplatsmetar.

Thank you!

for l = 1:length(Data);
s = strfind(Data{l},a);
empty=zeros(1,length(Data{l}))';
j=0;
    for k = 1:length(Data{l})
        ind = find(s{k});
        if ind==1;
    empty(k)=j+1;
        end
    end
    metar = find(empty);
    Nydata = Data{l};
    flygplatsmetar = Nydata(metar);
end

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Answer 1

KSSV 2016-10-6

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https://ww2.mathworks.cn/matlabcentral/answers/306021-how-do-i-store-output-from-double-for-loops-i-only-get-the-last-iteration#answer_237689

在 MATLAB Online 中打开

flygplatsmetar  = cells(length(Data),1) ;
for l = 1:length(Data);
s = strfind(Data{l},a);
empty=zeros(1,length(Data{l}))';
j=0;
    for k = 1:length(Data{l})
        ind = find(s{k});
        if ind==1;
    empty(k)=j+1;
        end
    end
    metar = find(empty);
    Nydata = Data{l};
    flygplatsmetar{l} = Nydata(metar);
end

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Linus Dock 2016-10-6

Thanks a lot!

elias GR 2016-10-6

The commend is 'cell', not 'cells'...

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Answer 2

elias GR 2016-10-6

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/306021-how-do-i-store-output-from-double-for-loops-i-only-get-the-last-iteration#answer_237690

在 MATLAB Online 中打开

flygplatsmetar = cell(1,length(Data)); %initialize your 1D cell array
for l = 1:length(Data)
   ...
   flygplatsmetar{l} = Nydata(metar); %store the data
end