平衡指派问题效率矩阵的全部元素同时加上一个正数k,最优指派方案不变,耗费的总时间增加k
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对于目标求极大的整数规划问题,其松弛问题的目标函数最优值是一个上界。
A. 对
B. 错
记整数规划问题的目标函数最大值为Z*。则任意一个可行解对应的目标函数值是Z*的一个下界。
A. 对
B. 错
0-1规划问题仅有有限多个个行解
A. 对
B. 错
Lesson 8 拓展-2Listen and fill in the blanks with what you have heard.[音频]The controller informs BAW937 that the problem of Airbus 320 seems to be 1 because it is being2 off the runway. The Airbus 320 suffered a 3 and further delays are expected because 4 are 5 . BAw937 is told to prepare for 6 .