查询词典 hessian matrix

At the same time,comparing the properties and applications of orthogonal matrix,we discuss the properties and applications of the generalized orthogonal matrix.

对照实数域上正交矩阵的性质和应用的研究，讨论了复数域上酉矩阵的性质以及应用。

For example, one can use QR decomposition to find the orthogonal matrix B, or use the orthogonal projection matrix of A as B.

例如，人们经常使用的QR分解方法找到正交矩阵B，更直接地，B可以取为矩阵A的正交投影矩阵。

In order to increase efficiency we give vector algorithm which is easy to be comprehended and easy to be extended in the point of matrix according to the character of a set of nosinusoidal family orthogonal matrix in this paper.

为进一步提高效率，本文根据一系列非正弦类正交矩阵的特点，从矩阵角度得到一种极易理解、极易推广的向量算法。

At first,the mixture matrix is changed into orthogonal matrix by using whitened mixture signals.

该算法先采取白化混叠信号将混叠矩阵转换为正交矩阵，然后基于QR分解理论，将混叠信号进行一系列初等旋转变换，并结合源信号相互独立时互信息量最小的特点，导出了一种新的自适应盲分离算法。

This transformation can be the orthogonal projection of the r.h.s matrix on to the range space of the linear system of matrix equations corresponding to the strong-constraints.

在文中，我们提出了刻划等价映射的几个定理，并且给出了等价映射可验证的一些构造途径。

Orthogonal linear dispersive space time code constructs orthogonal base vector set of base matrix setwith orthogonal column vectors of a orthogonal matrix.

正交线性空时弥散码运用正交矩阵的列矢量构造空时正交调制基矢量或者基矩阵。

Therefore, it is necessary to study these parallel problems. For the linear register systems, this paper presents a (1, N) parallel method with uniform calculating formulas by using the method of matrix equations, and studies to simplify XOR circuits. Comparing with the existing parallel methods for linear shift registers, this method for linear register systems doesn't need to expand the transition matrix, and has the same calculations for arbitrary N, which reduces the complexity.

对一般的线性寄存器系统，本文应用向量矩阵方程的研究方法提出了一种通用的、具有统一计算公式的(1， N)并行方法，研究了其中异或电路的化简，相对于已有的线性移位寄存器的并行方法而言，本文提出的方法不需要扩展矩阵，对任意的N计算公式均是统一的形式，减少了问题复杂性，具有更广泛的应用范围。

Then, base on the equivalent circuit model for cascaded coupled resonator filter, the method for measuring or computing the phase of the reflection coefficient of short-circuit terminated networks and synthesizeing all the inter-resonator couplings and resonant frequencies of the filters to be tuned is studied intensively. The phase loading effect is removed and the tuning steps are analyzed. The method based on the partial fraction expansions of admittance matrix is used to synthesize coupling matrix of the filters under tuning.

然后，通过分析级联耦合滤波器的等效电路模型，着重研究了利用测量或计算终端短路网络的反射参数的相位来综合出待调级联耦合滤波器各个腔体的谐振频率和腔体间的耦合系数的方法，并且消除了端口相位加载的影响，给出了具体的调试步骤；接着利用导纳矩阵部分分式的展开来求得待调滤波器耦合矩阵，着重研究了消除端口相位加载的方法。

Matrix partial orderings have many applications in statistics and other fields, and it is a current research focus of matrix theory.

矩阵偏序在数理统计等方面有着重要的应用，是近年来矩阵理论研究的又一热点。

In this paper, the virtual relation between partial velocity, the transformation matrix and Jacobian matrix are discussed with mathematical method.

多臂机器人系统的协调任务的数学描述是约束方程，因此，多臂"协调"的力学涵义就是"约束"。

I was up all night because I was in pain, she said.

我整夜，因为我在疼痛，她说。

A crow caws /craoks.

乌鸦叫。 51-论文网