西要毛子科技大学XIDIANUNIVERSITY引入B行列式乘法规则bila1bba12anD1m6a?an?ann222nD, =D2..:...·:bban1an2annnln2nnC11C12CanABCnCoCo!则 D,D,2=...:CnCn2Cnn其中 C, =a,bi, +a,zb2,+..+anb. bakiikk=1i,j=1,2,...,n引入 行列式乘法规则 11 12 1 11 12 1 21 22 2 21 22 2 1 2 1 2 1 2 , n n n n n n nn n n nn a a a b b b a a a b b b D D a a a b b b = = 其中 ij i j i j in nj 1 1 2 2 c a b a b a b = + + + 11 12 1 21 22 2 1 2 1 2 , n n n n nn c c c c c c D D c c c 则 = 1 , n ik kj k a b = =  A B AB i j n , 1,2, , =