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how to sum matrices in a for loop

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reza hamzeh
reza hamzeh 2019-10-21
回答： David Hill 2019-10-22
hi every body. suppose the bellow code. this code give me 16 matrices. how can i sum all of this matrices by using these for-loops?
for i=1:4
for j=1:4
a=[0 1:1 0];
b=[1 0:0 1];
x=i*a+j*b;
end
end

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David Hill
David Hill 2019-10-22
I assume you just want to add the calculated x-matrix with itself during each loop iteration.
x=zeros(2);
for i=1:4
for j=1:4
a=[0 1:1 0];
b=[1 0:0 1];
x=x+i*a+j*b;
end
end

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