用严格计算的法方程系数矩阵作为控制精度的标准。
The coefficient matrix of normal equation which is comr puted strictly is used as the standard of controlling accuracy.
结构方程系数矩阵线性约束下的完全信息极大似然估计法。
The first is the full information maximum likelihood method with linear constraint of coefficient matrixes in structure equation.
偏移的目的是要反演波动方程系数的奇性(层速度的间断面)。
The purpose of migration is to inversely solve for the singularity (interrupted surface of interval velocity) of wave equation coefficient.
由于轴承油膜刚度、阻尼,运动方程系数矩阵具有非对称特性。
On account of unsymmetric coefficient matrices of oil film stiffness and damping in bearing, the matrices in governing equation were unsymmetric.
摄动理论显示,对于特征方程系数的小幅度扰动即可导致根的大幅度变化。
Perturbation theory indicates that small perturbation of the coefficients could lead to the big perturbation of the root.
功能梯度材料实体建模过程中,需要对材料成分方程系数进行不断修改以满足设计要求。
During the modeling for functional gradient materials, one needs to modify continually the coefficient of material composition functions to satisfy the design requirements.
本文介绍用以辨识船舶运动方程系数的伪随机二进制信号发生器的基本原理、使用方法和精度。
This paper introduces the basic principles, application and precision of PRBS generator which is used for the identification of coefficients of ship motion equation.
本文第二部份导出了受到各种类型宽带激励的单自由度拟线性二阶系统的简化fpk方程系数的计算公式。
The formulas to evaluate the coefficients of the simplified FPK equation for several types of wide-band excitations are deduced.
在分析了节点方程系数矩阵的特点之后,选择MATLAB作为求解节点方程的工具,并编写了计算程序。
Based on the analysis of the characteristics of the coefficient matrix of the code equation, we chose MATLAB as the tool to work out the code equation and then wrote the calculating program.
通过比较回归方程系数的大小变化、正负变化,研究京沪铁路对经济、社会、资源、环境的影响变化情况。
By index evaluation and empirical analysis, we discuss the pattern and time gradient of Beijing-Shanghai railway's effects on regional spatial structure.
结果表明:抗差主成分估计不仅可以解除法方程系数降的病态,而且对于抑制观测粗差的影响也有显著功效。
The results show that the robust principal component estimation can not only overcome the ill condition of the normal equation. but also resist the outlier effects to the model parameters.
该算法首先求解目标的高度,避免了方程系数矩阵病态,因而在算法量相当的情况下,可获得较好的目标定位精度。
This algorithm, which first solves target's altitude and avoids ill-conditioned system of equation, can improve the location accuracy with the same operating complexity.
对包含奇异点在内的几个特殊点给出了柱底面对这些点所张立体角的值,并给出了电测井积分方程系数矩阵的计算方法。
A computing method of coefficient matrix is given. For a few special points including singular points, the numerical values of solid Angle of a cylindrical bottom surface open to these special points.
通过求解主方程系数矩阵的本征值与本征矢,我们计算了入射原子团中包含一到四个原子时腔场的光谱与平均光子数,其中着重对单原子与二原子的数值结果作了讨论。
We also calculate the spectra of the cavity field numerically via the eigenvalues and the eigenvectors of the mazer master equation for the case with the number of atoms from one to four.
在提到温室效应的气体污染时,还高高兴兴把对海洋的肤浅了解当作系数放入平衡方程来逃脱责任的人们,应该改变主意了。
Those who blithely factor oceanic uptakeinto the equations of what people can get away with when it comes togreenhouse-gas pollution should, perhaps, have second thoughts.
感知器培训规则是基于这样一种思路—权系数的调整是由目标和输出的差分方程表达式决定。
The perceptron training rule is based on the idea that weight modification is best determined by some fraction of the difference between target and output.
线性规划的假设与目的,规划估计,系数,标准方程。
Objectives and Assumptions of Linear Regression, Estimating Regression Coefficients, Normal Equations.
文中通过求解薛定谔方程得到抛物形量子阱的变换矩阵与透射系数。
The transfer matrix and transmission coefficient through a parabolic quantum well are obtained by solving schrodinger equation .
我们假设在所考虑的微分方程中,系数函数为片段常函数。
The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant.
应用交替分段显隐方法求解变系数对流扩散方程,此方法具有很好的并行性且无条件稳定。
Using alternating segment explicit implicit method for the variable coefficient convection diffusion equation. The method has the obvious property of parallelism and is unconditionally stable.
为此,建立了基于影响系数的协调方程和能量最优解析方程,使拉力分布的最优解呈显式表示。
Thus, based on effect coefficient harmonic resolution and energy optimal resolution equation are established, which is shown by very simple expression.
最后自动组成空间刚体自由振动微分方程的系数阵,并计算出刚体的自振频率和振型。
Therefore, the differential equations 'coefficient matrix of the free vibration of the spatial rigid body is automatically formed, and free vibration frequency and its type can also be found out.
在线性代数方程组已解出之后,另一个课题需要修改它的系数矩阵,从而得到一个新的方程组。
After solving the system of linear algebraic equations, another problem is induced that requires revising this coefficient matrix in order to get a new system of equations.
土壤入渗过程的回归方程表现为乘幂函数形式,回归系数R在0.88 ~ 0.99之间,方程拟合效果较好。
Soil permeability coefficients regression equation performs exponent relation. Regression coefficients were between 0.88 to 0.99, and the equation analog effect was good.
探求一类变系数方程的求特解的方法以及对方程的降阶。
The paper investigates the solution of a class of linear homogeneous differential equations with varied coefficients and methods of decreasing order of the DE.
通过转换该凸最优的约束方程为简单的一维搜索,提出了最优加权系数的有效求解方法。
Converting the convex optimization question to simple one dimension search, we get the effective method to settle the optimal weight coefficient.
通过转换该凸最优的约束方程为简单的一维搜索,提出了最优加权系数的有效求解方法。
Converting the convex optimization question to simple one dimension search, we get the effective method to settle the optimal weight coefficient.
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