西安毛子律技大学三XIDIAN UNIVERSITY下证T可逆.由①有, U(a)T=E-U(a)(aE-B)R(a)即E=U(2)T+U(a)(E-B)R(a)=U(a)T+(aE - A)V(a)' R(a)[(aE- A)Q(a)+U.]T+(aE-A)V(a)"R(a)=U,T +(aE - A)[Q(a)+V(a)' R(a)比较两端，得(aE - A)Q(a)+V(a)" R(a) = 0下证T可逆. 由⑦有， U T E U E B R (    ) = − − ( )( ) ( ). 即 E U T U E B R = + − (    ) ( )( ) ( ) ( ) ( ) ( ) ( ) 1 U T E A V R     − = + − ( ) ( ) ( ) ( ) ( ) 1      E A Q U T E A V R 0 − = − + + −     ( ) ( ) ( ) ( ) 1 U T E A Q V R 0     − = + − +     比较两端，得 ( ) ( ) ( ) ( ) 1     E A Q V R 0 − − + =    