将(11.26)式代入(11.22)式和(11.23)得, 7∑∑ pi pai expo∑ a∈ (11.27) ∑∑pexp∑pa)= 11.28)将(11.26)式代入(11.22)式和(11.23)得,    =   j  a a A ij a ij a a ij i T p p exp( p ) x , a A * ,  , (11.27)    = j i i j a a i j i p exp(  p , ) 1 (11.28)