研究了非线性参数系统模型的识别问题，通过引入求解线性方程组的松驰法思想，构造了一类新的迭代识别算法。
A nonlinear system parameters identification problem is investigated in this paper by introducing a relaxation method used for solving the linear equations of the system.
用逐次超松驰迭代法求出了扭转应力函数差分值。
Using the successive over-relaxation method, the difference values of the torsion stress function are determined.
确定逐次超松驰迭代法中的最佳松驰因子，迄今，人们还没有给出一可行实用的方法。
So far, there is not any doable applied method for determining the best relaxation factor of Successive Over-Relaxation.
导出了极坐标系下扇形截面杆件扭转问题的差分格式；用逐次超松驰迭代法求出了扭转应力函数差分值。
A torsion difference scheme of the bar with sectorial cross-section is developed in polar coordinate system.
导出了极坐标系下扇形截面杆件扭转问题的差分格式；用逐次超松驰迭代法求出了扭转应力函数差分值。
A torsion difference scheme of the bar with sectorial cross-section is developed in polar coordinate system.
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