How to apply butterworth filter to a cell array?

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Tomaszzz
Tomaszzz 2022-2-21
评论： Tomaszzz 2022-2-21
Hi all,
I have a 7x1 cell for which I would like to apply a butterworth filter to all cell arrays. Any idea how to do it?
filtfilt(b,a,mycell{:,1:7});
Index in position 2 exceeds array bounds (must not exceed 1).
Thanks

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采纳的回答

Jan
Jan 2022-2-21
You cell has the size {7x1}, not {1x7}.
filter needs one numerical vector or matrix as input. So use a loop:
result = cell(1, 7);
for k = 1:7
result{k} = filter(b, a, T_or_x_cycle{k});
end

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