As I'm loading data into a cell array through a loop, I end up with a matrix that is double the size of what it should be.

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Selena 2022-7-16

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https://ww2.mathworks.cn/matlabcentral/answers/1761310-as-i-m-loading-data-into-a-cell-array-through-a-loop-i-end-up-with-a-matrix-that-is-double-the-size

评论： Selena 2022-7-16

I am loading data into graph1 cell array with two loops. The S matrix is 1x410, but after I run the code, graph1 ends up being 1x820, and the data in the later half of the matrix 411:820 is mostly of zeros. Am I doing something wrong, or can I just ignore the later half? Thanks in advance!

Here is my code:

for i=1:size(tph,1)

strt = floor(tph(i,1)*fs);

lst = floor(tph(i,2)*fs);

filt = chronux.ct.rmlinesmovingwinc(X(strt:lst,channel), [win/fs,step/fs], 20, params, .3, 'n', [59 60 100 119 120 121 140 180]);

[S,f] = chronux.ct.mtspectrumc(filt,params);

for j=1:size(S,1)

graph1{j}(i) = S(j);

end