| 1. | Analysis of the convergence rate on newton iteration method
牛顿迭代法收敛速度分析 |
| 2. | An improved newton iteration method and its fractal images
一种改进的牛顿迭代法及其分形图 |
| 3. | Several variations of newton iteration method
迭代公式的几个改进 |
| 4. | Ancient chinese algorithm : the ying buzu shu method of surplus and deficiency vs newton iteration method
盈不足术与牛顿迭代算法的比较 |
| 5. | Provide a new method : iteration sensitive matrix method by studying the current reconstruction algorithms of iceit : the sensitive matrix method and the newton iteration method
对目前用于iceit的敏感矩阵法和牛顿迭代法进行研究，提出新的成像算法?迭代敏感矩阵法。 |
| 6. | ( 3 ) we introduced the methods to estimate the shape and rotation of the asteroids with the lightcurves . with the improved newton iteration method , we propose a method to solve the problem on the convergence of the iteration when the initial value is far from the real solution
第三章着重阐述了小行星形状和自转参数的研究方法，针对目前人们最常用的综合振幅和周期的方法所存在的问题? ?解的收敛问题，提出了一种解决的方法。 |
| 7. | To assure astringency , some technologies have been used such as iterative penality function methods , assemblage mass matrix , reduced integration algoritlun , newton iteration method with parameters for non - linear equation set , introducing relax factors and double steps solution and so on , and an algorithin for solving the nonlinear equation set of flow field by fem has been presented
基于有限元法建立了流场求解列式，为保证其收敛性，采用了迭代罚函数法，集中质量矩阵，缩减积分计算，带参数的newton迭代求解，引入松驰因子及双层解法等技术，提出了一套适合流场有限元方程计算的非线性方程求解方法。 |
| 8. | Based on interval the computation cost of interval newton algorithm is larger than the general newton iteration method . the computation time of interval newton algorithm tends to grow exponentially with the dimension . even for small problems , interval newton algorithm often requires enormous computation time if the nonlinearity of the problem is very large or the problem is ill - conditioned
但是由于区间牛顿法是以区间为迭代单位，其计算量远大于一般的牛顿类迭代法，其计算时间随着方程组维数n的增加而呈指数增长；而且即使在维数n很小时，若方程组的非线性程度很强或方程组为病态，所需的计算时间也很大。 |
| 9. | The hydraulic hitch is the common means that the operator be joined with the prime motor in farm machine . the paper made the hitch ? vector equation and found the solutions by newton iteration method through the strong numerical calculation function of computer . so the analytical solution insteaded the graphic method , the design accuracy and efficiency were acceptable
本研究推导了悬挂机构的矢量方程，并借助于计算机强大的数值计算功能，用牛顿迭代法解决了解矢量方程的问题，从而用解析法取代了图解法设计此类机构，提高了设计精度和效率。 |
| 10. | Based on work of w . clem karl etc . , the quasi - newton iteration method for solving the optimization problem of sar imaging is derived , the sparse projection matrix tsof sar imaging is constructed , by replacing the original sar imaging projection matrix t with ts , the computation efficiency of peak - enhanced sar imaging is improved greatly
在w . clemkarl等工作的基础上，导出了求解峰值特征增强sar成像优化问题的准牛顿迭代方法，建立了sar成像稀疏投影矩阵t _ s ，通过用t _ s代替原始sar成像投影矩阵了，有效提高了峰值特征增强sar成像方法的计算效率。 |
