How to delete rows of empty cells from a cell array

Question

David Rodriguez 2021-2-24

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/755394-how-to-delete-rows-of-empty-cells-from-a-cell-array

评论： Pallavi Chaudhary 2023-3-15

Is there a way I can delete empty cell arrays and preserve the order of the cell?

In the code I provided, it would be very easy to hardcode, but is there a way of doing it where you don't know where the 1st and last empty value is? The code I provided is just a simplified version of what I am trying to do.

% Create cell array
A = cell{4,3};
% Fill first 2 rows of cell
for k = 1:2
    A{k,1} = 1;
    A{k,2} = 2;
    A{k,3} = 3;
    A{k,4} = 4;
end
% Delete the 2 empty rows
% Desired output
%{
A =
  2×4 cell array
    {[       1]}    {[       2]}    {[       3]}    {[       4]}
    {[       1]}    {[       2]}    {[       3]}    {[       4]}
%}

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Answer 1

Walter Roberson 2021-2-24

2
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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/755394-how-to-delete-rows-of-empty-cells-from-a-cell-array#answer_632504

在 MATLAB Online 中打开

A = cell(4,3);
% Fill first 2 rows of cell
for k = 1:2
    A{k,1} = 1;
    A{k,2} = 2;
    A{k,3} = 3;
    A{k,4} = 4;
end
A(all(cellfun(@isempty, A),2),:) = []
A = 2x4 cell array
    {[1]}    {[2]}    {[3]}    {[4]}
    {[1]}    {[2]}    {[3]}    {[4]}