Find empty cells in 3D cell?

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Sharif Khalil
Sharif Khalil 2019-10-2
评论： Walter Roberson 2019-10-3
I have a 3D cell RowXColXDep (12X125X1216), I want to find the empty cells (which row, column, and depth). I used:
[Row Col Dep] = find(cellfun(@isempty,channelResp));
but it did not work, it works only for 2D cells. Is there a solution for 3D cells?
Thanks in advance

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采纳的回答

Shubham Gupta
Shubham Gupta 2019-10-3
Try this:
[r,c] = find(cellfun(@isempty,channelResp));
[nR,nC,nD] = size(channelResp);
Dep = floor(c/nC-0.0001)+1;
Col = c - nC*(Dep-1);
Row = r;
Let me know if you have doubts.
  2 个评论
Shubham Gupta
Shubham Gupta 2019-10-3
I am glad I could help. Please, make sure to accept the answer if it solves your problem. Cheers

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更多回答（1 个）

Stephen23
Stephen23 2019-10-3
编辑：Stephen23 2019-10-3
The simple MATLAB solution is to use ind2sub. First lets create some fake data:
>> A = repmat({NaN},12,125,1216);
>> A(5,23,[2,4,8]) = {[]}; % empty
Then all you need is this:
>> [R,C,P] = ind2sub(size(A),find(cellfun('isempty',A)))
R =
5
5
5
C =
23
23
23
P =
2
4
8
Why I used P: https://www.mathworks.com/help/matlab/math/multidimensional-arrays.html

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