element-by-element sum of cell array

2018 4 23
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I have a cell A of size 100: A{1,1}=[1 2 3 4]; A{1,2}=[5 6 7 8]; ...A{1,100}=[10 11 12 13];
I want to take element-by-element sum. SUMA should be a vector containing 4 elements where 1st element is sum of 1st entry of all A{1,i} elements, where i=1 to 100 and so on. How can i do this?

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KSSV
KSSV 2018-4-23

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A{1,1}=[1 2 3 4]; A{1,2}=[5 6 7 8]; A{1,3}=[10 11 12 13];
iwant = sum(cell2mat(A')) ;

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