1132 



I ' o 1 - 



Now hhh=-rz ^ A'hiSind />/,/, = yr ^ AhiAk; = (for A=o-f-l,...ö). 



Consequently we have 



But 



A=+i.'-, 



r+l 



.^ 



r+1,- 



^.., 



.+1 



^^.•, 



is the minor of the reciprocal determinant L, which corresponds to 

 the complementary minor of 



D 



«111 , «lr._, , 

 «2ri , «2/2 , 



«Ir 



<^2;- 



ij This reduction is easily conlrollod by first multiplying the rows -R'j, 7?'o,...-R'(7 

 resp. by Ap-\-\.\, Ap-\-\,-i, . . . Ap-\-\,z and adding all these products to R^ ; then by 

 multiplying the same rows resp. by Ap^->,\, Ap-\-ifi,.--Ap-{--i,'; and adding these 

 products to i^j, etc 



