查询词典 best approximation

In order to solve this problem, based on monotone approximation of inverse distribution functions, synchronization is achieved.

论文也给出了在函数不具有单调性的假定下，公共随机数法可以衰减方差的一个定理和函数具有单调性时的两个推论。

Key words:Almost monotone approximation,Boundary value problems,Non-linear elliptic systems

在第五章，我们提出了具有拟单调性的非线性椭圆型方程组边值问题的几乎单调逼近。

In part 3, utilizing the existing Lipschitz results and the property of Yosida approximation of monotone and continuous function, we prove the existence and uniqueness theorem of a general backward stochastic differential equation with monotone and continuous coefficient.

第三部分在系数仅满足单调连续这样一个新条件下，我们综合运用单调连续函数的Yosida逼近的性质以及Lipschitz条件下的已有结果，证明了一般形式的倒向随机微分方程解的存在唯一性。

V Roytburb′s results are generalized to inhomogeneous cases.Firstly,a monotone approximation to the flat function p is constructed,then the solutions of corresponding mudification system are estimated.

将V Roytburb的结果推广到非齐次情形，先对平坦函数p进行单调修正，再对修正方程组的解进行估计，最后比较原方程组的解和修正方程组解之间的关系。

Second order differential inclusion; boundary condition; usc multivalued map; fixed point; monotone map; Yosida approximation; solution tube; upper-lower solutions; critical point; PS-condition; C-condition; Sobolev space

基础科学，数学，数学分析二阶微分包含；集值边界；上半连续集值映照；不动点；单调算子； Yosida逼近；解管道；上下解；临界点； PS-条件； C-条件； Sobolev空间

The approximation keeps some important geometric features of the original curve such as monotonicity,convexity and G1 continuity.

逼近曲线保持了原始曲线的一些重要几何性质，如单调性，凹凸性，G1连续性。

Based on the supervisory control strategy presented by Wang Lixin in 1994 and the approximation capability of generalized multilinear fuzzy logic systems, a new adaptive fuzzy control scheme called model reference adaptive fuzzy control for M1MO systems is proposed in this paper.

针对一类不确定非线性系统，基于王立新1994年提出的监督控制方案并利用广义多线性模糊逻辑系统的逼近能力，提出了一种MIMO系统的模型参考自适应模糊控制器设计的新方案。

On the approximation that the ink is non-scattering and its refractive index is nearly equal to papers, we propose a spectral reflectance color prediction model for recto-verso halftone images by making use of the theory of the light propagation in paper with long- and short-distance model and net structure of multiple reflection in the recto-verso halftone images.

在假定油墨是非散射介质以及油墨的折射率与纸张的折射率近似相等的条件下，利用光在油墨与纸张中散射迁移路径长短不同的分程理论和多重内反射的网状结构分析方法，研究了光照射在双面印刷品上的光谱反射规律，建立了双面印刷品的光谱反射色彩预测模型。

It is proved that if the RungeKutta method and the linear multistep method are of order p, then the numerical Hopf bifurcation value is an approximation to the Hopf bifurcation value of the equation itself of the same order p.

证明了如果Runge-Kutta方法和线性多步法是p阶的，那么数值Hopf分支值以相同的阶数p逼近于方程本身的Hopf分支值。

This paper proved that the MAXIS algorithm is a 2-approximation to the SC of proper interval graphs with Bounded Degree and α≤ω. where α is the maximum degree of vertices of graph, n is the number of vertices of graph.

本文证明了对一类特殊的真区间图Δ≤(4n~(1/4)且α≤ω，其中Δ是图G中点的最大次，n是图G的点数，α是G的最大独立点集所包含的点数，ω是G的最大团所包含的点数，MAXIS算法是解决其染色和问题的2-近似算法。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。