add each iteration of for loop to a table

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Patrick Lonergan 2021-8-4

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https://ww2.mathworks.cn/matlabcentral/answers/892167-add-each-iteration-of-for-loop-to-a-table

评论： Patrick Lonergan 2021-8-4

采纳的回答： KSSV

在 MATLAB Online 中打开

Hi,

I have the following code;

f=dir('*.csv');
for i=1:length(f)
    x=readtable(f(i).name)
    y=[sum(x.LogicRate100),sum(x.LogicRate125),sum(x.LogicRate150),sum(x.LogicRate170),sum(x.LogicPower50),sum(x.LogicPower66),sum(x.LogicPower75),sum(x.LogicPower80)]
    y=array2table(y)
   
    
    writetable(y,['out' num2str(i) '.csv']);
   
end

It reads each file in the and sums the 8 collumns to produce a vairale (y).

I want the output to be a table or array that each row contains the output of each iteration. Currently, I am just saving each row.

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采纳的回答

KSSV 2021-8-4

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/892167-add-each-iteration-of-for-loop-to-a-table#answer_760662

编辑：KSSV 2021-8-4

在 MATLAB Online 中打开

f=dir('*.csv');
T = zeros(length(f),[]) ; 
for i=1:length(f)
    x=readtable(f(i).name)
    y=[sum(x.LogicRate100),sum(x.LogicRate125),sum(x.LogicRate150),sum(x.LogicRate170),sum(x.LogicPower50),sum(x.LogicPower66),sum(x.LogicPower75),sum(x.LogicPower80)]
    y=array2table(y)
    T(i,:) = table2array(y) ;        
end
writematrix(T,'test.csv')