In this paper, a new method of error estimate for the generalized difference method of second order elliptic problems on triangle grids is given.
文章给出了三角网格上二阶椭圆问题广义差分方法的一种新的误差估计方法。
In this paper, the wide-diameter of generalized hypercube is proved in two ways whose difference is to use mathematical induction and constructing method to prove the inequation (1).
论文用两种方法给出了广义超立方体网络宽直径的具体证明，而两种方法的主要区别在于分别采用数学归纳法和直接构造法证明了不等式(1)。
The generalized force and generalized inertia coefficient may also be calculated by finite difference method, and so the actual motion of mechanisms subjected to known active forces may be analyzed.
用有限差分法还可求出机构的等效力（矩）和等效质量（转动惯量），从而可求解机构在已知外力作用下的真实运动。
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