某昼夜服务的公交线路每天各时间区段内所需司机和乘务人员数如下： 班 次 时 间 所需人数 1 6:00-10:00 60
答案:4 悬赏:30 手机版
解决时间 2021-01-23 12:01
- 提问者网友：蔚蓝的太阳
- 2021-01-22 18:14
某昼夜服务的公交线路每天各时间区段内所需司机和乘务人员数如下： 班 次 时 间 所需人数 1 6:00-10:00 60
最佳答案
- 五星知识达人网友：怙棘
- 2021-01-22 19:32
分析：设Xi表示第 i 次班次时开始上班的司机和乘务人员。由于司机和乘务人员每次连续工作8小时，所以在第 i 次班次的上班人数应该包括第 i 次班次时开始上班的人数和第 i-1 班次时开始上班的人数。如:第一次上班的人数应为 X6 + X1 >=60。要求配备的人员最少,既求:X1+X2+X3+X4+X5+X6最小，这样建立如下的数学模型：
min X1+X2+X3+X4+X5+X6;
约束条件： X1+X6>=60,
X1+X2>=70,
X2+X3>=60,
X3+X4>=50,
X4+X5>=20,
X5+X6>=30,
X1，X2，X3，X4，X5，X6>=0.
min X1+X2+X3+X4+X5+X6;
约束条件： X1+X6>=60,
X1+X2>=70,
X2+X3>=60,
X3+X4>=50,
X4+X5>=20,
X5+X6>=30,
X1，X2，X3，X4，X5，X6>=0.
全部回答
- 1楼网友：枭雄戏美人
- 2021-01-22 21:54
2fen
- 2楼网友：毛毛
- 2021-01-22 21:01
70
- 3楼网友：渡鹤影
- 2021-01-22 20:14
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In 2010 and 2011, this bag can either buckle like mobile, you can also back the law Messenger "bag" will calm the black and brown mix and match together, show the classic academic style.
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相关的主题文章：
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Cheap Jordans include Air Jordan1,Air Jordan 2....Air Jordan 23,Air Jordan 2009,Air Jordan 2010,Air Jordan 25,Air Jordan & AF1 Fusions,True Flight,Flight 45,etc.
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