对节点方程法进行改进，构造了新的迭代方程序，提高了计算收敛性。
And a new iterative equation was well constructed through improving the existing node equation method which enhanced the astringency of calculation.
通过解节点方程组的方法求解管网的管段流量和节点水压，并编制了相应的应用程序。
We can get the flow rate of pipelines and the hydraulic pressure of nodes by solving the equation sets of nodes, and corresponding application program is developed.
在分析了节点方程系数矩阵的特点之后，选择MATLAB作为求解节点方程的工具，并编写了计算程序。
Based on the analysis of the characteristics of the coefficient matrix of the code equation, we chose MATLAB as the tool to work out the code equation and then wrote the calculating program.
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