`5ub A=[B, N]§B´ m× m‘ _Ý"éA/§ x= xB xN= B 1 b B 1 N xN xN,c= cB cN .
A/§8I¼êµT f (x)= cT x= cT B xB+ cN xN 1 1 T= cT B (B b B N xN )+ cN xN 1 T T 1= cT B B b+ (cN cB B N )xN T 1 1 XJcT N cB B N≥ 0§KxB= B b§xN= 0´ `), T 1 XJ(cT N cB B N )j< 0£j∈ N§N´ ÄCþ I 8¤§KØ´ `)"