Based on the breadth-first search technology ,this essay presents a new method to optimize the adding se- quence of the branches, which can form a nodal impedance matrix and greatly reduce the amount of relevant calcu- lation.%基于广度优先搜索技术,提出优化支路追加顺序的新方法,按照所生成的优化排序结果形成节点阻抗矩阵,可大大减少相应计算量。
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