方程组求解程序（Simultaneous Equation Solver）：计算最大30×30的线性方程的解（唯一解，无限解表达式或无解）输入符号数据保存和编辑最多5个常数向量查看余项和减化的行阶梯矩...
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介绍了BBO晶体的物理光学性质以及一般的数值求解算法，并通过对耦合波方程组进行归一化处理并且编写了相应的数值模拟程序。
Physical and optical properties of BBO and general numerical solving methods are introduced, these coupling equations are normalized and a final numerical simulation program is programmed.
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.
通过对串行程序中各功能模块计算工作量的分析，线性方程组的求解在该串行程序中占有75%的工作量，并行求解线性方程组是本论文的一项主要工作。
The analysis of computation time of different subroutines shows that the solution of linear equations account for 75 percent of total workload and it is also the main work in the study.
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