concatenate 2 matrix in loop "previous iteration"?

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E
E 2019-7-27
评论： E 2019-7-27
i am trying to concatenateconcatenate two matrix
the output i get same line not append previous iterations C with new C
5.0000 3.6000 1.4000 0.2000
5.0000 3.6000 1.4000 0.2000
while(i ~=4)
Datachunk(i) = next_line;
i = i + 1;
next_line = fgetl(fid);
C = cell2mat(textscan(next_line,'%f %f %f %f','Delimiter', ',','CollectOutput', true));
C4 = [C;C];
end

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KALYAN ACHARJYA
KALYAN ACHARJYA 2019-7-27
编辑：KALYAN ACHARJYA 2019-7-27
May be you replaced the privious C with current C, use copy privious C with other variable and do the same.
while(i ~=4)
Datachunk(i) = next_line;
i = i + 1;
next_line = fgetl(fid);
D=C; %privious C, do C initialization (before while loop) for 1st iteration.
C=cell2mat(textscan(next_line,'%f %f %f %f','Delimiter', ',','CollectOutput', true));
C=[D;C];
end
Hope I undestand the question, if not let me know, I will happly delete the answer.
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