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- My research concentrates on discretization of model optimal control problem, development of the posteriori error estimator and designment of efficient solver for discrete optimal control problem. 我的研究在于为模型最优控制问题提供离散方案,进行误差估计以及设计快速求解算法。
- Example for error estimation of phasor induction log is given. 根据置信区间的指标,文章给出了相量感应测井误差估计的实例。
- Based on the difference between the corresponding limit of displacement from both side of contacted bodies, a local direct error estimator of BEM solution for 3D elastic contact problem is presented, and then a scheme of adaptive BEM is suggested. 在此基础上提出将接触体接触单元间与域内解连续的边界位移之差的某种度量作为三维弹性体接触问题边界元法的一种误差直接估计,并且提出了三维弹性体接触问题边界元法的一种自适应计算方案。
- This error estimation model can be applied in all different processes of RP. 该公式适用于RP技术的各种工艺方法,具有普遍意义;
- We prove a priori error estimate of this new method.We also give residual-type a posteriori error estimator of it.Numerical experiments are carried out to support our theory. 对此法进行了先验误差分析并给出其残量型后验误差估计,且通过数值实验验证了该方法及其自适应方法的有效性。
- This paper presented a ML estimator for the estimation of high-frequency sampling noise model to solve the problem that high-frequency sampling suffer from both additive noise and time jitter error estimation. 摘要针对高频数字采样中的附加噪声和时间抖动误差估计问题,给出了高频数字采样测量噪声误差的最大似然估计方法。
- We give full discrete scheme of the first and second oder of this equation, and get the stability and error estimate. 给出了基于空间谱配置方法的一阶和二阶精度的全离散格式,得到了稳定性和误差估计。
- The lower bound of the probability of error estimation was presented by Bahadur. Bahadur曾给出一个错误估计概率的下界。
- The conventional Discounted Cash Flow (DCF) is easy to bring about error estimation and underestimation. 传统的折现现金流法(DCF法)有预期现金流不准、折现率选取困难的缺点,容易造成对项目的误评;
- Firstly, RBM was introduced theoretically, and the calculation error estimation can be also provided. 从理论上介绍了缩减基法,并对缩减基法计算结果的误差进行估计;
- On the other hand, the pointwise error estimates for interpolants and their derivatives are obtained. 另一方面得到了插值误差及导数的点态估计。
- In order to improve the accuracy of solutions, meshes are refined according to the a posteriori error estimate. 为提高解的精度,我们根据事后误差估算对网格进行自适应加密。
- Focused on a posteriori error estimates for a finite volume discretization of an elliptic problem. 给出了二阶椭圆型方程的非协调有限体积法的后验误差估计。
- Usually, an expected error estimation is obtained by a cross-validation or hold-out method [32, 77]. 通常,通过交叉验证和留取方法,可预见的误差可以被估计出来[32,77]。
- The solution error is estimated using the ZZ error estimator which is based on the recovery stress filed acquired through the MLS/NNI stress recovery scheme according to the character of the NEM. 针对自然单元法的特点,提出了基于MLS拟合和NNI插值的应力恢复方案; 在应力恢复的基础上采用Z-Z误差估计方法对求解误差进行了有效的估计;
- The inverse system analysis technique is employed to establish the error estimation equation and by applying the noncausal Wiener fitering theory,the optimal estimator of dynamic loads is derived out. 首先,采用逆系统分析方法建立误差估计方程;其次,利用非因果维纳滤波理论导出了动态载荷的优化估计器。
- The convergence of the waveform relaxation for solving functional differential-algebraic equations is studied and the error estimate is derived. 摘要本文采用波形松弛算法来求解一类泛函微分代数系统,该算法在迭代过程中,避免了求解泛函微分方程,且利于并行处理。
- The demonstration of AT is thus simplified significantly and the error estimation of adiabatic approximation is expressed more explicitly. 其证明过程变得更简单,绝热近似的误差估计也被做得更直捷,并得到了(?)
- Bessel method gets its solution through the ellipsoidal integral equation by simple iterative means with no error estimate expression. 采用贝塞尔方法时,解算中对椭圆积分方程的求解,一般均采用简单迭代法,且未给出该方程近似解的误差估计公式。
- This paper has provided some effective methods to resolve similar problems for designs and error estimation of breakthough roadways in mines. 为矿山巷道设计和贯通误差预计工作提供了一种快捷高效的求解方法。