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2. Gauss bez wyboru.

A = orgA;
B = orgB;

i = 1;
while (i <= length(A)-1)
    j = i + 1;
    while (j <= length(A))
        z=A(j,i)/A(i,i);
        A(j,i:end)=A(j,i:end)-(A(i,i:end)*(A(j,i)/A(i,i)));
        B(j)=B(j)-(B(i)*z);
        j = j + 1;
    end
    i = i + 1;
end
disp('Ax=b')
x=inv(A)*B;
disp(x);

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