how to find the difference between first column and second column in a cell array

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jaah navi 2021-7-18

评论： Simon Chan 2021-7-18

I am a having cell

C=5x1 cell

which contains

10x2 double
10x2 double
10x2 double
10x2 double
10x2 double

I need to find the difference between first and second column of C. Could anyone please help me on it.

Simon Chan 2021-7-18

cellfun(@(x) x(:,1)-x(:,2),C,'UniformOutput',false)

jaah navi 2021-7-18

I used the command

D=cellfun(@(x) sum((x(:,1)-x(:,2)).^2)/10,C,'UniformOutput',false)

Now I want to sum D and divide by 5.

Could you please help me on this.

Simon Chan 2021-7-18

mean(cell2mat(D))

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