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Concatenate cell array inside a cell array

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suman Dhamala
suman Dhamala 2018-2-23
回答： Voss 2023-9-24
My cell array is of different size. I want to convert it to the matrix. I added NAN to make the size equal but I found NAN added inside a cell array like the picture [1*481]. I try to horzcat it but did not work. Can anyone help me, please?

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Voss
Voss 2023-9-24
Ran in:
C = {rand(1,7),rand(1,4),rand(1,3)};
disp(C);
{[0.9714 0.8038 0.7325 0.4787 0.1328 0.8788 0.6320]} {[0.1632 0.6340 0.3939 0.5810]} {[0.8846 0.5465 0.3481]}
num = cellfun(@numel,C);
N = numel(C);
M = NaN(N,max(num));
for ii = 1:N
M(ii,1:num(ii)) = C{ii};
end
disp(M);
0.9714 0.8038 0.7325 0.4787 0.1328 0.8788 0.6320 0.1632 0.6340 0.3939 0.5810 NaN NaN NaN 0.8846 0.5465 0.3481 NaN NaN NaN NaN

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