查询词典 matrix

The DRDC method has been improved in this paper.8 isometry transforms are added into the calculation of difference matrix of domain blocks and range blocks.The affine transform parameters,produced from the calculation of difference matrix,were used to calculate fractal codes corresponding to range blocks and a set of inference for formula was given.

对DRDC方法进行了改进，在定义域块与值域块的差值矩阵计算中，增加了8种旋转变换，并利用求解差值矩阵过程中产生的仿射变换参数来计算值域块所对应的分形码，并给出公式推导。

In chapter 2, we prove that an abundant semigroup satisfying the regularity is a locally E-solid semigroup if and only if it is an E-local isomorphic image of some abundant Rees matrix semigroup AM over an E-solid abundant semigroup with entries of the sandwich matrix P being regular elements of T.

第二章，我们证明了满足正则性条件的富足半群是局部E-solid(quasi-adequate，R~*-unipotent)半群当且仅当它是某个富足Rees矩阵半群RM的E-local同构像，其中sandwich矩阵的P元素是T中的正则元。

Based on a relationship between the RF and Jacobi matrix, a novel method which is independent of the forward modeling for a fast algorithm of Jacobi matrix employing the RF was advanced.

通过建立二维非均质反演Jacobi矩阵与响应函数的关系，开辟了Jacobi矩阵快速算法构造的有效途径。

Ordinary differential equations and their Jacobian matrix were given in the matrix form to improve computational efficiency.

根据方程的特点，给出了方程的Jacobi矩阵的具体表达式，提高了计算效率。

The very important part for wave tomography is to get coefficentmatrix of tomography equations, that is the Jacobin matrix, or deviationderivative matrix of wave field to physical parameters.

波动成像最关键的一步就是求取成像方程的系数矩阵，也就是雅可比系数矩阵，也即波场对物性参数的偏导数矩阵。

This article uses Quasi-Newton method based on Broyden s principle to obtain Jacobin matrix,this method can calculate Jacobin matrix direc.

文中采用基于Broyden原理的拟牛顿法求解发动机非线性方程组，这种方法可以直接求出第一步迭代后的Jacobi矩阵，从而大幅度提高计算速度。

The Jacobin matrix of the multi-body system dynamics was studied based on the spatial operator algebra theory,and the realization of the Jacobin matrix procedure was built in the environment of Matahematic5.2 software.The high effective stepping method can be used to compute velocity and static force,and has a simple math expression.

应用空间算子代数理论，在通用计算机符号演算软件Mathematic5.2的环境下，对多体系统动力学雅可比矩阵进行设计与实现，主要用于速度和静力的高效递推算法，用空间算子代数理论求出雅可比矩阵简洁形式，具有编程效率高、直观等特征。

Matrix was jointed by two-sided spot welding, and welding area is 25% or so of matrix.

采用双面点焊的方式，熔焊面积为25％左右。

Adopting generalized Jordan block and algebra equivalence transform method, all of the transfer functions at different load points can be transformed to state-space description with time variable. The steady robustness of three different mode of control systems were researched by mathematic analysis. It shows that: for the high order inertia controlled object with the characteristic of nonlinear and time-variable that described by the set of transfer functions, the Luenberger function observer established according to its any algebra equivalence state-space description, if some conditions can be met, there would be a matrix of T with n′n satisfied the Sylvester matrix equation TA- FT=GC.

采用广义约当块及代数等价变换方法，可将分段的传递函数描述转换为变参数的状态空间描述，对3种典型控制系统的稳定鲁棒性所进行的理论研究表明，对同一组传递函数描述的具有非线性和时变特性的高阶惯性受控对象，依据其任一代数等价的状态空间描述所构建的Luenberger函数观测器，在满足一定的条件时，存在n′n解阵T满足Sylvester矩阵方程TA- FT=GC。

Using the Jordan matrix block, we can solve the matrix M and the corresponding operator B .

用这些约当矩阵块可求得矩阵M，及相应的算子？

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。