maxZ?x1?x2?3x1?8x2?12?(2) ?x1?x2?2
??2x1?3?x,x?0?12
【解】有多重解。最优解X(1)=(3/2,1/2);X(2)=(4/5,6/5)最优值Z=2
minZ??3x1?2x2?x1?2x2?11??x1?4x2?10(3)???2x1?x2?7?x?3x?12?1??x1,x2?0
【解】最优解X=(4,1);最优值Z=-10,有唯一最优解
minZ?4x1?6x2?x1?2x2?8?(4) ?x1?x2?8?x2?3??x?0,x?0?12
【解】最优解X=(2,3);最优值Z=26,有唯一最优解
maxZ?x1?2x2?x1?x2?2?(5) ?x1?3??x2?6?x,x?0?12
【解】无界解。
minZ?2x?5x?x1?2x2?6??x1?x2?2?x,x?0?12【解】无可行解。
(6)