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Asked by Kirti
on 7 Dec 2012

Dear all, i have X= x1+ x2+ x3 all are 5 by 6 size matrix. now this X is split into two disjoint group . The matrices within each group are added. how to do this in matlab?please explain with some example.

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## 3 Comments

## Lalit Patil

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/55987#comment_115866

%Example :

x1 = [1 2 3;4 5 6];

x2 = [1 2 3;4 5 6];

x3 = [1 2 3;4 5 6];

[m n] = size(x1);

for i = 1:m

for j = 1:n

x(i,j) = x1(i,j) + x2(i,j) + x3(i,j) ;

end

end

## Vishal Rane

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/55987#comment_115873

@Lalit : For identical size matrices simply use

## Lalit Patil

Direct link to this comment:http://www.mathworks.com/matlabcentral/answers/55987#comment_115875

Oh yes, i tried it.. Thanks..