adding the vectors at each cell in cell array

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I have a cell array where each cell contains a vector. I want to add up the vectors at each cell of each row.
The cell array is
M = cell(1,1) cell (1,2) ........
cell(2,1) cell(2,2) .......
and so on
If we have the vector a_11 = [1 2 3 4 5] in cell(1,1) and a12 = [1,2,3,4,5] in cell(1,2), I want to add them so that the sum is [1+1 2+2 3+3 4+4 5+5] = [2 4 6 8 10]
then I want to store the result in a matrix whose rows is equal to the rows of the cell array, and columns equal to the length of the vectors (i.e. 5)
Could someone help me pleas?

Accepted Answer

Walter Roberson
Walter Roberson on 13 Jul 2020
cell2mat( arrayfun(@(R) sum(cat(1,M{R,:})), (1:size(M,1)).', 'uniform', 0) )

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