二阶收敛,quadratic convergence
1)quadratic convergence二阶收敛
1., aquadratic convergence parametric iteration formula without derivative.本文讨论求解非线性方程的牛顿法 ,证明牛顿法在一个弱条件下仍保持局部二阶收敛性 ,给出牛顿法的一点改进 ,即一个不带导数的单参数的二阶收敛的迭代法 ,而且分别得到这两种迭代法的收敛因子 ,最后进行数值实验 。
2.The parametric iterative methods ofquadratic convergence without the derivative for solving nonlinear equations are discussed in this paper.虽然它一般至少是二阶收敛的,但它需要调用导数值,这使其应用受到限制。
3.An attractive property of the structured BFGS method is its local superlinear/quadratic convergence property for the nonzero/zero residual problems.它们充分利用了目标函数的Hesse矩阵的结构以提高算法的效率，该算法的显著优点是对于零残量问题具有二阶收敛性而对于非零残量问题具有超线性收敛性。
英文短句/例句
1.A Locking-free Triangular Element with Second-order Convergence for the Planar Elasticity Problem一个二阶收敛的平面弹性问题Locking-free三角形元
2.Convergence for a Family of Iterations with the Second-Order-Derivative-Free避免二阶导数计值的迭代族的收敛性
3.Convergence Analysis for Second Order Hyperbolic Equation with Anisotropic Nonconforming Finite Element二阶双曲问题各向异性非协调元的收敛性分析
4.Rate of Convergence of the Integral Type Lupas-Bézier Operators;Integral型Lupas-Bézier算子的收敛阶
5.On Rate of Convergence of Durrmeyer-Bézier Operaters;Durrmeyer-Bézier算子的收敛阶
6.Estimate on Rate of Convergence of Durrmeyer-Bézier Operaters;Durrmeyer-Bézier算子收敛阶的估计
7.Second-order Regular Variation and Application in Rates of Convergence in Extreme-value;二阶正规变化函数及其在极值收敛速度中的应用
8.Study on a Barrel Type Vibration Isolation Device Based Damping Second Order System Convergent Control Algorithm;基于阻尼二阶系统收敛控制算法的桶型隔振装置研究
9.Superconvergence analysis and extrapolation of a new mixed finite element model for second order elliptic problem二阶椭圆问题新混合元模型的超收敛分析及外推
10.EEP SUPER-CONVERGENT COMPUTATION IN FEM ANALYSIS OF FEMOL SECOND ORDER ODES线法二阶常微分方程组有限元分析的EEP超收敛计算
11.The Convergence Analysis of a New Second Order Nonconforming Finite Element to Viscoelasticity Equation粘弹性方程的一个新的二阶非协调元收敛性分析
12.CONVERGENCE PROPERTIES AND CHARACTERIZATION OF CONVERGENCE ORDER FOR MULTIVARIATE q-STANCU POLYNOMIALS多元q-Stancu多项式的收敛性及其收敛阶刻画
13.conditionally convergent double series条件收敛的二重级数
14.The First and Second Laws of Space Convergence;空间收敛第一规律与空间收敛第二规律
15.The Order(R-H)of Laplace-Stieltjes Transform Convergent only in the Right Half Place;在右半平面收敛的L—S变换的(R—H)阶
16.Order of convergence of Fejer-Korovkin singular integral in orlicz spaces;Fejer-Korovkin奇异积分在Orlicz空间中的收敛阶
17.Rate of Convergence for Linear Combinations ofBernstein Operators with Jacobi Weights;Bernstein算子线性组合加Jacobi权的收敛阶
18.Convergence of Chebyshev method under mild differentiability conditions of the first derivative弱一阶可微条件下Chebyshev迭代法的收敛性
相关短句/例句
second order convergence二阶收敛
3)quadratic convergence二阶收敛性
1.Thequadratic convergence and the Q factor of Newton iteration method for solving nonlinear equations are discussed in this paper.研究求解非线性方程的牛顿迭代法的二阶收敛性和比值收敛因子 (Q-因子 ) ,证明在弱条件下的二阶收敛性仍然成立 ,得到或估计比值收敛因子 ,并且做出有关的数值实
2.in this paper, we propose a sufficient condition under which the approximateNewton s methods possessquadratic convergence property when they are applied to solvingnonlinear complementarity problems.本文给出了求解非线性互补问题近似Newton法二阶收敛性的一个条件，并且证明了在一定的条件下，有限差分Newton法具有二阶收敛性。
4)quadratically convergent exactly恰二阶收敛
1.This new algorithm is provedquadratically convergent exactly under the same conditions ensuring the LUNewton algorithmquadratically convergent exactly .在保证传统牛顿方法恰二阶收敛的条件下,证明了新算法也具有相同的恰二阶收敛的优点,但在计算量上却有一定的节省。
2.Newton-PGCG algorithm is provedquadratically convergent exactly under the same conditions ensuring the Newton algorithmquadratically convergent exactly.给出Newton-PGCG算法中预优广义共轭梯度法中预优阵的选取问题及其步数参数的确定原则,并在保证牛顿方法恰二阶收敛的条件下,证明了此算法也具有恰二阶收敛的优点。
5)quadratic rate of convergence二阶收敛速率
6)locally quadratic convergence局部二阶收敛
延伸阅读
收敛药（收敛剂）收敛药（收敛剂）能沉淀组织内部分蛋白质而促使组织皱缩的药物，有消炎退肿的作用，用于治疗皮肤粘膜炎症。主要有两类：（一）鞣酸和鞣酸蛋白。前者局部应用可治疗皮肤粘膜炎症，后者可供口服，有止泻作用。（二）金属类。如硝酸银、硫酸锌等，兼具不同程度的抗菌作用，供外用。
