示为X aX(1) (1 a)X(2)即
X (
3411227272
a,a, a, a,0)T,(0 a 1) 1111811111111
maxZ 3x1 2x2 x3
5x1 4x2 6x3 25(4)
8x 6x 3x 24 123 x 0,j 1,2,3 j
1.11 分别用大M法和两阶段法求解下列线性规划:
maxZ 10x1 5x2 x3
(1)
5x1 3x2 x3 10 5x1 x2 10x3 15 x 0,j 1,2,3 j
【解】大M法。数学模型为
maxZ 10x1 5x2 x3 Mx5 5x1 3x2 x3 x5 10
5x1 x2 10x3 x4 15 x 0,j
1,2,,5j