How can the output be written in a new column (without overwriting the previous one)

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Shel
Shel 2019-2-11
评论： M 2019-2-12
I am processing several images and use loop for the series. I need to write the output of each loop in a new line beside the previous column.
for example: for the first loop I want data in column 2, for the second loop I want data in column 3 beside column 2
would you help me please?

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回答（1 个）

M
M 2019-2-11
编辑：M 2019-2-11
You can use cell for that. You can try and adapt the following example:
a=cell(3,1);
for i=1:3
a{i}=ones(i,1);
end
a =
3×1 cell array
{[ 1]}
{2×1 double}
{3×1 double}
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Shel
Shel 2019-2-11
here is my code of the loop:
for thresh=240:300
fprintf(file1, '%10s %2.5f \r\n', 'Threshold', thresh);
for i=1:totalfile
fname=['8--7-',num2str(i), '.dcm'];
indicom=dicomread(fullfile(source_dir, fname));
T=thresh;
indicom(find(indicom<T))=0;
img_NB=length(indicom(indicom==0));
fprintf(file1,' %2.0f %10s %2.5f \r\n', i, ' ', img_NB);
end
end
fclose(file1);
M
M 2019-2-12
the output file should be filled out horizontally and it is not possible to do it vertically
You can do it both ways, you have to adapt the indexing.

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