How to concatenate multiple .mat files and generate a 3D matrix?
1 回表示 (過去 30 日間)
古いコメントを表示
I have 100 files which are 30482x43 (number of data x layers), and what I am trying to do is make a single 30482x100x43 matrix.
I would appreciate your help please!!
採用された回答
Stephen23
2022 年 8 月 3 日
編集済み: Stephen23
2022 年 8 月 3 日
"I have 100 files ..."
which are probably named using some sequential numbering, so you will need to take that into account in the code:
P = 'absolute or relative path to where the files are saved';
S = dir(fullfile(P,'*.mat'));
S = natsortfiles(S); % download: https://www.mathworks.com/matlabcentral/fileexchange/47434-natural-order-filename-sort
for k = 1:numel(S)
F = fullfile(P,S(k).name);
L = load(F);
S(k).data = L.nameOfTheVariableWhichYouDidNotTellUs;
end
A = permute(cat(3,S.data),[1,3,2]);
その他の回答 (1 件)
KSSV
2022 年 8 月 3 日
matFiles = dir('*.mat') ;
N = length(matFiles) ;
iwant = zeros(3048,43,N) ;
for i = 1:N
S = matfile(matFiles(i).name) ;
iwant(:,:,i) = S.myvar ; % myvar is the variable in your mat file
end
0 件のコメント
参考
カテゴリ
Help Center および File Exchange で Creating and Concatenating Matrices についてさらに検索
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!