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1)  discrete Newton iteration method
离散Newton迭代方法
2)  newton iteration
Newton迭代法
1.
In this paper,some new theorems of convergence of the Newton iteration and Newton descent method in larger convergence domain are introduced,and the expressions of error estimate about these two iterations are presented.
给出一种新的,具有较大收敛域的Newton迭代法和Newton下山法收敛性定理,以及误差估计式。
2.
With reconstructions and extensions towards classical principalagent theory, this paper brings forward obendeavor theorem, validates moral hazard with hidden action, and discovers coordinating effect of the level of endeavor towards endeavor effect index through calculating longterm endeavor of the entrepreneur by the method of Newton iteration and graphics.
通过对传统的委托—代理理论进行重新构造和拓展,本文提出逆反努力法则,验证了隐藏行动的道德风险的存在,并通过Newton迭代法和图形学方法对风险企业家的长期努力水平进行计算,发现努力水平对努力效应指数n表现出协同效应。
3)  Newton iteration method
Newton迭代法
1.
Newton iteration method for solving the system of no nlinear equations is improved, restriction on its iteration function is relaxed, the convergence of the improved iteration algorithm is proved strictly, and the theoretical basis for designing cheaper and faster iteration methods is supplie d.
对求解非线性方程组的Newton迭代法进行改进 ,放宽了对其迭代函数的限制 ,并对改进后的迭代法的收敛性进行了严格的证明 ,为进一步设计出成本低且收敛速度较慢的迭代法提供了理论依据 。
2.
This paper describs a corrector Newton iteration method for solving equation with one unknown.
考虑用一种修正的Newton迭代法解一元方程 ,其收敛速度比Newton迭代法更快 ,比M櫣ller法更直观 。
3.
Instead of the linearization of expression of thermal radiation on free surface,start at Galerkin finite element method,convert the calculation problem of the temperature field into a calculation of nonlinear equations,and then calculate the temperature by Newton iteration method.
从Galerkin有限元方法出发,对自由表面上的辐射换热的数学表达式不作线性化处理,而是把温度场的求解问题转化为非线性代数方程组的求解问题,并且用Newton迭代法计算了温度场。
4)  Newton iterative method
Newton迭代法
1.
An generalized Newton iterative method for extracting the roots of a category equation;
求一类方程重根的广义Newton迭代法
2.
Newton iterative method based on Hénon chaos mapping for seeking the positional forward solution of parallel mechanism
并联机构位置正解的基于Hénon混沌映射的Newton迭代法
3.
Seydel s method is taken as first step to make prediction,and then Newton iterative method to make correction along the direction which is orthogonal to that found in the first step.
该法采用Seydel方法的第一步做预估,其次在与其正交方向上用Newton迭代法进行校正,数值算例表明了该方法的有效性。
5)  Newton-Raphson iterative method
Newton-Raphson迭代法
1.
The Newton-Raphson iterative method is commonly used to solve nonlinear algebraic equations due to its fast convergence speed.
本文针对用 Newton-Raphson迭代法求解河网数值模拟中所出现的非线性代数方程组的问题 ,证明了只要当时间步长取得足够小时 ,迭代法的局部收敛性条件就一定可以满足 ,从而给出了 Newton- Raphson迭代法在河网非恒定流计算中应用的一个理论基础。
6)  Newton-type iterative method
Newton型迭代法
1.
Thus,we get two new Newton-type iterative method.
对解非线性方程组Newton迭代格式进行了改进,得到了两种比Newton法较为宽松的并且收敛速度较快的新的迭代格式,从而构造了两种新的Newton型迭代法,理论分析和数值实验证明这两种方法是稳定且有效的。
补充资料:离散时间周期序列的离散傅里叶级数表示
       (1)
  式中χ((n))N为一离散时间周期序列,其周期为N点,即
  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。
  
  从式(1)可导出已知X((k))N求χ((n))N的关系
   (2)
  式(1)和式(2)称为离散傅里叶级数对。
  
  当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为
  

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