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Brace indexing is not supported for variables of this type.

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I am getting the following error for the attached code.
Error in Readfiles (line 8)
data = readmatrix(fnames{idx});
Could you please help me out.

Akzeptierte Antwort

Ameer Hamza
Ameer Hamza am 2 Dez. 2020
fname is a struct, not a cell array. Change the line to
data = readmatrix(fnames(idx).name);
  9 Kommentare
Ameer Hamza
Ameer Hamza am 5 Dez. 2020
This code does not contain the line
data = readmatrix(fnames(idx).name);
as shown in your previous comment. In any case, N is a cell array in your case and you can acess the filenames like this
data = readmatrix(N{idx});
Sateesh Kandukuri
Sateesh Kandukuri am 5 Dez. 2020
Thanks for your time. I resolved the problem.

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Weitere Antworten (1)

KSSV
KSSV am 2 Dez. 2020
% List all CSV files
fnames = dir('*.csv');
% Pre-allocate output vector
ranges = zeros(numel(fnames), 1);
% Loop over file names
for idx = 1:numel(fnames)
% Read the CSV data
data = readmatrix(fnames(idx).name);
% Get the 5th column
col5 = data(:,5);
% Get the range for this file
ranges(idx) = max(col5) - min(col5);
end
% Write the result
writematrix(ranges, 'ranges.csv');

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