使用了支路追加法和导纳矩阵求逆法来形成节点阻抗矩阵，给出了两种算法的数学模型，分析了算法各自的特点和优势。
The aim of the paper is to receive nodal impedance matrix by adding - branch line algorithm and admittance matrix algorithm, to analyze the effect of them, and to provide the models.
边界节点间的互联支路的阻抗也可以利用边界节点间的导纳矩阵求得。
The resistance of Internet branch of boundary nodes can also be calculated by the admittance of the above.
边界节点间的互联支路的阻抗也可以利用边界节点间的导纳矩阵求得。
The resistance of Internet branch of boundary nodes can also be calculated by the admittance of the above.
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