通过实例分析，探讨用勒让德多项式和定解条件求解静电场时确定系数的方法。
By analyzing the sample, study the method of seeking given parameters by using Lengendre polynomials and condition of fixed solution.
设计了求双线区段旅客列车扣除系数和区段通过能力的多项式算法。
The models and its polynomial algorithms are given for determining the deducting coefficient of passenger train at the various states.
同时也研究了变系数多项式型迭代函数方程解析解的存在性，其结果改进和推广了作者本人以前的工作。
Moreover, we investigate the existence of analytic solutions for polynomial-like iterative equations with variable coefficients and improve some known results.
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