000=B2+i(08-4)0-(a-4)0)+o(2) B1+i0-80)+O(a2) 再利用C=B小,并略去λ的二次项, 00B00=Bn+ (2)取 no 使得 W=i H moh 2 mo x3 B 时 mo h x1 同理可知, x20)0=(01x10)=0 当取B=x3时, mo 0k30=(0kx0)+k(00)=( ) ( ) ( ( ) ( ) ) ( ) ( ) 2 0 2 0 0 0 1 1 0 ˆ ˆ ˆ ˆ i 0 0 ˆ ˆ 0 0 ˆ ˆ 0 i 0 ˆ 0     B BA AB O B B B A A A A B O + − + = + − − − + = 再利用 C B Aˆ , ˆ i ˆ = ，并略去  的二次项， ( ) ( ) 0 0 1 1 0 ˆ 0 B = B + C （2）取  2 3 ˆ ˆ m p A = 使得   3 2 3 2 2 3 0 2 1 , ˆ i ˆ , ˆ i ˆ m x x m p W A H      =      = =  当 1 B ˆ = x 时，   0 ˆ i , ˆ , ˆ i ˆ 2 3 1 =      = = m  p C B A x ( ) ( ) 0 0 0 0 0 1 1 1 1 x = x = 同理可知， ( ) ( ) 0 0 0 0 0 2 1 2 1 x = x = 当取 3 ˆ B = x 时，   2 2 3 3 ˆ 1 i , ˆ , ˆ i ˆ m m p C B A x = −       = =  ( ) ( ) 2 2 1 3 1 0 0 0 0 0 0    m x = x + C = −