矩阵的逆与线性方程组的解 ax1+a2x2+…+a1nxn=b a2xazx2+..+a2nxn b2 all 012 din d21 d22 d2n b2 ... anl (n2 ann or,equivalently,letting A (ai),x =(xi),and b =(bi),as Ax =b. If A is nonsingular,it possesses an inverse A-,and矩阵的逆与线性方程组的解