The integer program model of minimal spanning tree was built up by the concepts of root and level of node in LINGO. There are particular notes to the difficulties of the model.
本文利用树根和节点级数的概念，借助于LINGO建立了求解最小生成树的整数规划模型，并对模型中的难点给出了详细的注释。
The integer program model of minimal spanning tree was built up by the concepts of root and level of node in LINGO. There are particular notes to the difficulties of the model.
本文利用树根和节点级数的概念，借助于LINGO建立了求解最小生成树的整数规划模型，并对模型中的难点给出了详细的注释。
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