矩阵函数

Our method, without using Jacobin matrix, inherit many virtues of stochastic gradientboosting like perfect prediction precision and easily dealing with higher dimension.

该方法不用计算估计函数的雅可比矩阵，继承了随机梯度Boosting算法的许多优点，如较高的预测精度，容易处理高维数据等。

During the design process of low voltage equipments using flow chart and state matrix , the distributing control functions using Karnaugh map can satisfy the demand for the design of sequential circuits with/without intermediate states.

用流图法和状态矩阵设计低压电器电路时，卡诺图法分配控制函数能较好满足无过渡态和有过渡态的时序电路设计。本文分别给出了两种电路的设计实

Using kronecker product of matrix theory, basic link space code chips are recombined and a new kind of LS code is obtained.

对基本LS码片用矩阵中克罗内克积方法重新排列，得到了一类新的LS码，并从数学上证明了这类新码非周期自相关函数具有均匀的IFW，以及组内码字之间的IFW也是均匀分布的。

It is well-known that reduced Hessian method is one of the most efficient methods for solving large scale constrained optimization problems. However, the convergence analysis for the method requires of the positive definiteness of the reduced Hessian of Lagrangian function.

众所周知，既约Hessian方法是求解较大规模约束优化问题的一类有效方法，但已有的这类方法的全局收敛性分析需假定拉格朗日函数的既约Hessian矩阵的一致正定性。

Preliminary numerical results for the Laplace equation and Navier system are presented, and tricky issues associated with these methods, such as the ill-conditioning with the interpolation matrix and effect of shape parameter, are investigated.

文中给出了Laplace方程和Navier方程组的数值结果，考察了插值矩阵的病态性以及径向基函数中形参数的影响。

Regional Color Texture-Dynamic Partial distance Function; Legendre chromaticity distribution moments ; Texture co-occurrence matrices ; DPF matching

区域色彩纹理-动态局部距离函数；勒让德色度矩；纹理共生矩阵；加权DPF匹配

An incremental-iterative method based on the Newton-Raphson method combined with constant arc length of incremental displacement vector is employed for the solution of nonlinear equilibrium equations. The subspace iterative method is used for the solution of natural frequencies and vibration modes for the free vibration of beam structures.

本研究推导元素的节点惯性力时，先将元素扰动位移表示成当前固定元素座标的扰动位移和旋转之函数，故可直接求得元素的节点惯性力，元素的一致性质量矩阵可由元素节点的惯性力对元素节点的加速度微分求得。

The properties of these models are obtained by studing the decreased dimension models by Liapunov function, matrix theory, monotone dynamics theory, Krasnoselskii technique and so on.

通过研究低维系统，我们就可以得到原系统的性态。在对模型的分析中，运用了构造Liapunov函数法、矩阵理论、单调动力系统理论、Krasnoselskii方法等。

Based on the theory of topology and the properties of M-matrix, by constructing vector Liapunov function and applying differential inequalities, the exponential stability of three classes of interconnected large-scale systems with time delays is analyzed.

本文利用M-矩阵理论，应用微分不等式以及拓扑学等有关知识，通过构建向量李雅普诺夫函数，研究了三类时间滞后大系统的指数稳定性以及智能交通系统中车辆纵向跟随控制问题。

Using the linear fractional transformation for the system model, the controller was designed based on H2/H∞ control by the method of linear matrix inequalities for the uncertain parameter and external disturbance in hydraulic servos.

针对液压伺服系统中参数时变和外界干扰的特点，通过运用线性分式变换得出系统的传递函数，运用线性矩阵不等式处理方法，设计出基于H_2/H_∞控制的控制器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。