1) inverse difference
反差商
2) reciprocal difference
反商差分
3) difference quotient
差商
1.
Through the suitable selection of difference quotient and correction of the one-dimension inaccuracy linear searching,scope of the improved method is extended.
从应用角度出发,首先,将约束变尺度法改进为一般约束条件,通过适当选择差商形式和对一维不精确线性搜索方法的修正,扩大了该方法的适用范围。
2.
Some methods of constructing a new iterative method by means of two auxiliary functions, z = g (x) and u (x) = f (x) eax , and difference quotient are introduced and discussed.
介绍并讨论了利用两个辅助函数z=g(x)、u(x)=f(x)eαx和差商来构造迭代法的几种方法。
4) divided difference
差商
1.
The explicit formula of general divided difference with multiplicity knots;
一般有重差商的显式公式
2.
Considering that derivatives could be approximated by divided differences,two iterative schemes that avoid computing derivatives were obtained.
采用导数可以被差商近似的办法,得到两个多初始点的迭代公式,从而避免了求导数运算。
3.
A recurrent formula for the divided difference expanded coefficients is derived.
推导出了差商展开系数的一个递推公式 ,基于该公式给出了计算差商展开系数的一个新算法 。
补充资料：保险商实验室安全标准(见保险商实验室)
保险商实验室安全标准(见保险商实验室)
safety standards of UL: see Underwriters Laboratories; UL
Baoxianshang Sh啊nshi anquan bicozhun保险商实验室安全标准(saJ七ty stand助dsofUL)见保险商实脸室。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条