说明：  实验目的：用Matlab实现分支定界法求解整数线性规划问题。 实验内容： 用分支定界法求下面的线性整数规划问题的最优解：
(Experiment Objective: Matlab to achieve branch and bound method for solving integer linear programming problem. Experiment content: With the branch and bound method seeking the following linear integer programming problem of the optimal solution: )