查询词典 positive definite matrix

Lyapunov second method is applied to analysis of partial stability of equilibrium of linear ordinary differential equation with constant coefficients, the problems on partial stable matrix, partial positive definite matrix and Lyapunov matrix equation are studied.

将Lyapunov第二方法用于研究常系数线性系统零解的部分变元渐近稳定性，可引出相关的一些特殊矩阵问题，包括部分稳定矩阵、部分位正定矩阵、矩阵方程的可解性等。

optical fiber coupler, scattering matrix ; output phase difference; Hermite quadratic form ; positive definite matrix

利用其散射矩阵为酉矩阵的么正性不难证明，2×2耦合器输出相位差恒为90°，与输出功率比无关，而耦合区具有旋转对称结构的3×3耦合器的输出相位差完全取决于输出功率比，特殊地，当等分功率输出时，输出

Positive definite matrix occupies a very important position in matrix theory, and has great value in practice.

正定矩阵在矩阵论中占有十分重要的地位，在实际中也有广泛的应用价值。

In the matrix theory, n-order real symmetric positive definite matrix is important to the study of inequality.

n阶实对称正定矩阵在矩阵理论中，对它的不等式研究具有有十分重要的意义。

Moreover, the updated matrix sequence is a symmetric positive definite matrix sequence.

在较弱的条件下，我们证明了算法的全局收敛性。

According to the characters of symmetrical and positive definite matrix, inverse matrix is calculated approximately.

该算法可明显地提高恢复质量，并有效消除图像恢复的过度锐化现象。

Furthermore, the sufficient conditions for convergence were given when the coefficient matrix A is a Hermite positive definite matrix or Mmatrix respectively.

给出了系数矩阵分别为Hermite正定矩阵和协矩阵时算法收敛的充分条件。

By the proposed fuzzy adaptive robust: controller there is no need to find a comrnon positive definite matrix satisfying matrix Lyapunov equation.

整个控制方案在结合所有的局部线性状态反馈控制器的基础上，引入了基于自适应神经网络的鲁棒控制器。

Positive definite matrix ; \ inverse matrix ; \ Schur complement of matrix

正定矩阵；逆矩阵；矩阵的Schur补

Based on the relationship between matrix and symmetric matrix global exponential stability of the discrete-time neural networks model and the result of exponential convergence rate were obtained by using the characteristics of eigenvalues of a positive definite matrix and introducing a proper factor.

针对带有边界约束的凸二次规划问题，利用离散神经网络模型的建模原理，构造了一个神经网络模型。利用矩阵与对称矩阵的关系和正定矩阵特征值的性质，通过引入一个适当的因子，得到了该离散型神经网络模型是全局指数稳定性和指数收敛率的结果。同时分析了该结果的优越性和存在的不足，提出了解决的3种方法，最后给出了实例说明本方法取得结果的实用性

In her eyes, because that is the doorway toher heart * the place where love resides.

女人的漂亮必須從她的眼睛中去看，因為那是她心靈的窗戶和愛居住的地方

I will send some postcards to you.

我会向你发送一些明信片。