SOLVING A SYSTEM OF LINEAR EQUATIONS

>> A=[1 2 3; 4 5 6; 7 8 1];>> b=[1 2 3]                    (row vector)b =     1     2     3>> b=b'                         (column vector)b =     1     2     3

%TO SOLVE Ax=b

>> x=(A^(-1))*bx =   -0.3333    0.6667         0

%BETTER WAY

>> x=A\bx =   -0.3333    0.6667         0