We can write M+Φ,=24 M as 如百®-8 (1) M Substitute i=Φn(y-Φ into equation (1) and eliminate M节=9 Where i=M"-M“D..-,7画.Y(M"-M"电.',) 2=g-M"更.y-更西yg-Mm中.y)( ) 1 u v u v T A Mq q Q Av Au T T vu vv uu uv Q Q v u M M M M v u M ˆ v Q ˆ M M M u v v u M M u v 1 1 1 ˆ uv uu T vv vu T 1 1 1 ˆ Q Q M u v u Q M u Au uu T Av vu T