Easily store and retrieve subsets on big matrices on disk
% SimpleSequence class
% ---------------------
% Permits to store big sequences of real matrices into the hard disk
% and to retrieve the data easily.
% Quick and dirty, but may be useful to you..
% Example Usage : small test
%-----------------------------
% M = 1024;
% N = 4096;
% test_data = single(randn(M,N));
%
% file = SimpleSequence('filename',M); %create object
% for n = 1:N
% file.append(test_data(:,n)); % append data, one at a time
% end
% file.close(); %close object
%
% %Retrieve all data
% data = file.get(Inf,Inf); %retrieve all data
% fprintf('Error is %f\n',norm(test_data - data))%
% % Retrieve a subsampling of the lines of data
% data_sub_lines = file.get(1:3:M,Inf);
%
% % Retrieve a subsampling of the columns of data
% data_sub_cols = file.get(Inf,1:3:N);
Citar como
Antoine Liutkus (2024). Easily store and retrieve subsets on big matrices on disk (https://www.mathworks.com/matlabcentral/fileexchange/40442-easily-store-and-retrieve-subsets-on-big-matrices-on-disk), MATLAB Central File Exchange. Recuperado .
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Versión | Publicado | Notas de la versión | |
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1.0.0.0 |