semi-definite matrix

When crack expanding problem is studied, a high efficiency semi-analytical matrix perturbation method is put forward.

对于裂纹扩展问题, 提出了一种高效的半解析矩阵摄动法.

Convergence of Semi-Iterative Method for a Class of Antisymmetric Iterative Matrix

一类反对称迭代矩阵半迭代法的收敛性

Some Properties of Generalized Semi-definite Matrix

亚半正定阵的几个性质

An Approximation Method of Positive Semi-definite Matrix Based on Weighted F-norm

一种基于加权F-范数的半正定矩阵的逼近方法

Best approximation solution for α-symmetric positive semi-definite matrix on a linear manifold

线性流形上α-对称半正定阵的最佳逼近解

The rank of matrix which two matrices act right semi-tensor product is given.

给出了两个矩阵做右半张量积后矩阵的秩,并且讨论了相关的秩的不等式.

The stiffness matrix of semi-rigid steel frames and the fixed end moment are deduced, based on the connection element method incorporating the effects of joint flexibility.

采用连接单元法，考虑连接柔性的影响，推导出半刚性框架梁柱的刚度矩阵及半刚性梁的固端弯矩。

This approach extends the applications of the transfer matrix method, and lays the foundation of semi-analytical and semi-numerical researches on structural vibration and acoustics for revolution shells. ( 4) High-order NMM and its applications in fluid-solid interaction harmonic analysis are also studied.

本文方法扩展了传递矩阵法的应用范围，为旋转壳声弹耦合的半数值半解析分析奠定了基础。（4）本文开展了高阶数值流形法及其在流固耦合谐振分析中的应用研究。