查询词典 numerical method

To analyze the rounding error of calculator floating-point numbers arithmetic operation is the foundation of numerical calculation method's error analysis.

对计算机浮点数算术运算的舍入误差进行分析，是对数值计算方法作误差分析的基础。

The basic concept and method of computer simulation,and the application of the numerical simulation in astrophysics are briefly reviewed.

简要介绍了计算机模拟的基本原理和方法，以及数值模拟计算在天体物理学中的主要应用结果和前景。

In this paper, quantum theory, the use of time evolution operator obtained by the first method for the system density operator of any time, and atomic reduced density matrix, and the atomic dipole squeezing conditions, numerical study of the mixed state -type atom of the three-level with single-mode optical field coherent interaction of atomic dipole squeezing effect.

本文采用全量子理论，运用时间演化算符方法先求出所求系统任意时刻的密度算符，和原子的约化密度矩阵，以及原子偶极压缩的条件，数值计算地研究了混合态型3能级与单模相干光场相互作用时原子的偶极压缩效应。

Considering the numerically more stable properties of Normal Equation with Constraints and Hachtel's augmented matrix method for SE, all telemetered and virtual measurements are classified reasonably. Using blocked and sparse matrices technology, a new SE algorithm with computing speediness and numerical stability is proposed.

借鉴WLS估计中带等式约束的正规方程法和Hachtel法数值稳定性更强的优点，将遥测量和虚拟量测合理分类，并采用分块和稀疏矩阵技术形成了一种计算速度快、数值稳定性好的状态估计改进算法。

Numerical experiments show that the new method of automatic programming is very practical.

计算实例表明了这种新的自动程序设计方法的可行性和实用性。

In the process of discretization of the auxiliary function, the traditional central difference formula is replaced by the backward difference formula, and numerical results show the method is of good stability.

在辅助函数的离散过程中用后向差分公式代替传统的中心差分公式，数值结果显示出良好的稳定性。

Based on engineering design method and combined with numerical simulation,an axial symmetry supersonic inlet with boundary layer bleed was designed.

应用工程设计方法，结合数值模拟，设计了一种带有边界层吸除型式的超声速轴对称进气道，对进气道内流场进行了数值模拟研究，并且进行了风洞实验。

In this paper, the magnetic field of tube electromagnetic bulging with axisymmetric coil is investigated by numerical simulation method.

成形线圈设计是电磁成形工艺的关键技术之一，而设计线圈的理论依据之一是线圈受力分析。

A numerical example show the reliability of the method. Given related data, the optimal purchase policies can be obtained, which have closed relation with the consumer's preference and the pricing of the bargainor.

最后以一个数值实例验证了这些结论，并说明给定相关数据后可获得购买耐用品的最优决策，这一决策与消费者的偏好和卖方的定价存在密切关系。

Barycentric Lagrange interpolation collocation method is of numerical stability and high accuracy.

重心Lagrange插值具有数值稳定性好、计算精度高的优点。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新