Why error using cell2mat ?

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saharsahar
saharsahar 2013-7-19
Hi all, I have a 309 * 5956 cell array of same type and same length. however most of the elements are empty.
However using cell2array to convert this matrix to numerical it gives me error as:
cell2mat(all_i_dis)
Error using cat
Dimensions of matrices being concatenated are not consistent.
Error in cell2mat (line 79)
m = cat(1,m{:});
any idea is highly appreciated.

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Azzi Abdelmalek
Azzi Abdelmalek 2013-7-19
A={ 1 , 2 ; [], 4};
cell2mat(A);
The result
Error using cat
Dimensions of matrices being concatenated are not consistent.
Error in cell2mat (line 87)
m = cat(2,m{:});
To use cell2mat, all cells must be the same size and same class
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saharsahar
saharsahar 2013-7-19
I know the way through a loop like
for n=1:length(mycellarray)
if isempty(mycellarray{n})
mycellarray{n}=0;
end
end
but is there any other efficient way instead of loop?
Azzi Abdelmalek
Azzi Abdelmalek 2013-7-19
编辑：Azzi Abdelmalek 2013-7-19
A(cellfun('isempty',A))={0}
%or
A(cellfun('isempty',A))={nan}

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