Hello everyone, how do you average the 10 largest data in u(m/s) in each .txt file in a file set? Then draw these data. Thank you very much.

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Wesley
Wesley 2021-11-22
回答： Image Analyst 2021-11-22

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Image Analyst
Image Analyst 2021-11-22
fileList = dir('PIV*.txt');
for k = 1 : length(fileList)
thisFileName = fullfile(fileList(k).folder, fileList(k).name);
dataStructure = importdata(thisFileName)
data = dataStructure.data;
% Get u from column 3.
u = data(:, 3);
% Get 10 largest
big10 = maxk(u, 10)
% Get the mean
mean10 = mean(big10)
end

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