借助控制微分方程的标准基本解答组，获得梁弯曲问题初参数形式的通解。
Using the normal solutions of the governing differential equation, the general solution of a bending beam is obtained.
方法：利用广义估计方程分析结果指标为分类变量的重复测量资料，通过参数和标准误的估计得出统计学结论。
Method: the repeated measures data were analyzed with category variance outcome by GEE and conclusions were drawn according to the estimating of parameter and standard error.
针对具有约当对角标准型的特征值情形，提出了一种求解该二阶振动矩阵方程的参数化方法。
In the case of the eigenvalues with the Jordan diagonal canonical form, a parametric method is proposed.
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