Suppose you have a 162*24 cell array called CC and each cell array entry consist of a matrix.
How would you add CC{1,1}+CC{2,1}+CC {3,1}.....CC{162,1}
and then to the same for the remaining 23 columns.
I dont need the sum but all matrices within each cell entry have to be added.
Thanks

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Walter Roberson
Walter Roberson 2020년 8월 23일

2 개 추천

nd = ndims(CC{1,1});
sol = sum(cat(ndims+1, CC{:,1}),ndims+1);
There are also approaches using the more obscure fold() operation.

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AA
AA 2020년 8월 24일
Thanks but I dont need the sum. All I need is that the matrices in each cell entry to be added. All matrices have the same dimensions.
madhan ravi
madhan ravi 2020년 8월 24일
This answer does what you asked for.
AA
AA 2020년 8월 24일
I get an error Not enough input arguments and and also an unspecific error in the second line. Maybe the nd variable is missing in the second line?
nd = ndims(CC{1,1});
sol = sum(cat(nd+1, CC{:,1}),nd+1);

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추가 답변 (1개)

Sara Boznik
Sara Boznik 2020년 8월 23일

0 개 추천

for i=1:24
sol=sum((CC(:,i)))
end

댓글 수: 1

Walter Roberson
Walter Roberson 2020년 8월 23일
No, not for a cell array. sum() does not apply to cell arrays.
Also, you are overwriting all of sol each iteration.

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AA
2020년 8월 23일

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