Data conversion: Data type cell to char within a cell array

5 次查看（过去 30 天）

显示更早的评论

Tim 2020-12-4

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/678473-data-conversion-data-type-cell-to-char-within-a-cell-array

评论： Image Analyst 2020-12-4

在 MATLAB Online 中打开

I have 15 cell arrays, size 1000+ x 5 and two of the columns need to be converted from data type cell to char.

This for loop works without any issues.

for i = 1: length(cell_array1)
    x = char(cell_array1{i,1});
    y = char(cell_array1{i,3});
    cell_array1{i,1} = x;
    cell_array1{i,3} = y;
end

However, when I adjust the for loop to loop through 15 different cell arrays, it returns data type cell in both columns I need to change to char.

a = {cell_array1, cell_array2};
for j = 1: length(a)
    for i = 1: length(a{j})
        x = char(a{i,1});
        y = char(a{i,3});
        a{j}{i,1} = x;
        a{j}{i,3} = y;
    end
end

6 个评论
显示 4更早的评论隐藏 4更早的评论

dpb 2020-12-4

That's the problem with having built separate variables..."there be dragons!"

If you have separate variables to operate on, then you have to write code to address those variables. There's no point in putting them in e if you're not going to use it instead; just operate on c, d individually. Of course, when you do, then you'll probably have to continue to duplicate going forward to do the same thing on both.

As said, I think it's time to revisit the beginning of how you got yourself into the mess and extricate yourself therefrom back there rather than following this path.