cover cell array into vector

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Ana-Maria Pistea
Ana-Maria Pistea 2020-5-18
评论： Ana-Maria Pistea 2020-5-18
hi all, I have this cell array and I want to conver it into a vector. The problem is that cell2mat will remove the empty cells and I want to keep them as = ' '.
Then I need to build again the cell array from the resulted vectore.
Any help would be appreciated.
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Fangjun Jiang
Fangjun Jiang 2020-5-18
You can't store empty '' or [] in numerical array. The best you can do is to replace it with zero or nan

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Stephen23
Stephen23 2020-5-18
编辑：Stephen23 2020-5-18
Numeric arrays do not have empty elements: every element has one value.
But you can easily store the sizes and recreate the cell array:
>> C = {[0;0],[],[],[0,1,2,3;0,0,0,0]};
>> S = cellfun('size',C,2);
>> M = cell2mat(C);
Recreate (strictly speaking the empty matrices have different sizes compared to those in C):
>> D = mat2cell(M,2,S);

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