By using Wu s method, all the precise solutions of power flow equations are worked out without encountering the numerical difficulty of ill-condition.

通过运用吴消元法求解电力系统潮流方程，求得了全部实域精确解，同时避免了因以数值迭代方法求解出现雅可比矩阵奇异的现象。

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But if the surface layer is considered, the traditional finite element methods can not be used, since the ill-condition of structural equilibrium equations produce numerical difficulties.

但是，如果考虑表面层，常规有限元法由于结构平衡方程病态而导致数值上的困难。

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But if the surface layer is considered, the traditional finite element methods can not be used, since the ill-condition of structural equilibrium equations produce numerical difficulties.

但是，如果考虑表面层，常规有限元法由于结构平衡方程病态而导致数值上的困难。

youdao