bubu

setA2 = {[5 -1; 7 -8]; [cos(pi/12) sin(pi/12); sin(pi/12) cos(pi/12)]; [2 5 3; 4 0 8; 7 1 1]; [1 66 777; 2 55 888; 3 44 999]}

for i = 1:4
res2a(i) = det(cell2mat(setA2(i)))
res2b{i} = inv(cell2mat(setA2(i)))
end


for i =1:5
vn{i} = zeros(5,1); vn{i}(i) = 1;
end