2、线性规划模型 maxz=2x,+3x2 x=(31C=(c1)=(23 X,+2x≤8 ≤16/a1a2 12 22 40 4x 04 4x≤12 b X1。xXC b=b,=16 44 2、线性规划模型 max 2 3 1 2 z x x = + 1 2 1 2 1 2 2 8 4 16 4 12 , 0 x x x x x x  +           C c c = = ( 1 2 , 2,3 ) ( ) 1 2 x X x   =     11 12 21 22 31 32 1 2 4 0 0 4 a a A a a a a         = =             1 2 3 8 16 12 b b b b         = =            