get a diagonal line in matrix
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Hi, please help me get a diagonal line in matlab. Example, I have a matrix: a = [1 2 3; 4 5 6; 7 8 9] I want to get vector b =[3 5 7] which is a diagonal line of matrix a. This is my code but it doesn't work
a=[1 2 3; 4 5 6; 7 8 9];
b = zeros(1,3);
for i=1:3
for i=1:3
b = a(i,j);
end
end
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