approximating function [数] 逼近函数 ; 函数逼近 ; 数据点的近似函数
lower approximating function 下逼近函数
smooth approximating function 光滑近似函数
cubic spline approximating function 三次逼近样条
approximating spline function [数] 逼近样条函数
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。
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。
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。
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