Question

我有10个二进制文件，每个文件都存储一个数字列表。我想依次加载每个文件，然后在该文件中附加一个单元格数组y。因此，如果每个文件包含20个数字，我希望我的最终单元格为10x20。我该怎么做呢？以下代码不起作用：

for i=1:10
    % Load an array into variable 'x'
    y = {y x}
end

Answer 1

如果你正在读严格的数字并想要一个数组（而不是单元格），这可能有效：

% read CSV numbers from file into array
temp = {};
out = [];
for i=1:10
   % my example files were called input1.txt, input2.txt, etc
   filename = strcat('input', num2str(i), '.txt');
   fid = fopen(filename, 'r');
   temp = textscan(fid,'%d','delimiter',',');      
   out(i,:) = cell2mat(temp);
   fclose(fid);
end

＆＃39;出＆＃39;是一个10x20阵列

Answer 2

您只需要对代码进行一些小修改：

y = cell(1,10); %// initiallize if possible. Not necessary
for ii = 1:10 %// better not use i as a variable (would override imaginary unit)
    %// Load an array into variable 'x'
    y{ii} = x; %// fill ii-th cell with x.
    %// Or use y{end+1} = x if you haven't initiallized y        
end

Matlab：附加单元格数组

2 个答案: