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

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

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.

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