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1·It also gives a construction approach for approximating the probability density function of activity duration, which will facilitate the computer simulation of the PERT diagram.

本文还给出了一种简练的函数构造法，用该方法构造的函数能较好地逼近活动工期概率密度函数，方便了对计划网络图的计算机仿真运算。

2·Combined model on the basis of the Finite Element Method and Multisurface Function was used to improve approximating precision and reliability in modelling abnormal height surface.

应用有限元法与多面函数法的加权综合模型改进拟合模型在逼近高程异常曲面时的拟合效果。

3·We introduce and motivate the main theme of the course, the setting of the problem of learning from examples as the problem of approximating a multivariate function from sparse data - the examples.

我们介绍且激发课程的主题将朝向于实例学习法的问题设定，例如稀疏值中多变量函数近似的问题。

4·Approximating the boundary of attraction region is very important to the application of the energy function method.

电力系统稳定域边界的逼近一直是应用能量函数方法分析电力系统暂态稳定的难点。

5·Theorem of projection is more important in the study of prediction of stationary discrete-time sequence and function approximating.

投影定理在平稳时间序列的预报及函数逼近研究中起着重要的作用。

6·An iteration method is presented to solve the optimization function for approximating the rotation transformation part of the pseudo moving frame at any position of the motion trajectory.

采用迭代法求解该优化方程来逼近运动轨迹任意处伪活动标架的旋转变换矩阵。

7·In Chapter One, a new method of approximating the solution of second-order parabolic system using reproducing kernel function is devised.

第一章研究了一类二阶抛物型方程组的一种新数值方法-再生核函数法。

8·Thus the authors use distributed polynomial with orthogonal characteristic for approximating displacement function of the beam;

利用正交特征分布多项式，逼近梁的位移函数。

9·Moreover, since the accuracy of approximating the step function is increased by taking a fast filter function as the filter function, number of iterations of optimization solution is greatly reduced.

由于提高了对阶跃函数及其反函数的逼近程度，从而显著减少了优化迭代的次数。

10·Then these equations are solved numerically by approximating the unknown displacement difference to a product of the fundamental density function and polynomials.

其次，在数值求解该组方程的过程中，未知函数裂纹表面位移差被近似为位移差的基本密度函数与多项式之积。