In this paper, the algorithm of BFGS has been used to solve the problem, which was demonstrated by the results of NFEA and the nonlinear functional analysis logically.

其次免费在线色，針對支架的彈塑性大變形分析過程容易出現(xiàn)負(fù)剛度導(dǎo)致分析終止的問題，本研究采用BFGS算法解決了該問題观看免费黄色网站免费，并且利用非線性泛函定理證明了起始剛度正定久久精品国产99久久，BFGS算法能使剛度始終保持正定。

In the first part, we shall prove several inequalities involving symmetric positive semidefinite, general M-matrices and inverse M-matrice which are generalization of the classical Oppenheim s Inequality for symmetric positive semidefinite matrices.

第一個部分給出了半正定矩陣www被啪啪舒服了，一般的M-矩陣以及逆M-矩陣的一些相關(guān)不等式可以直接免费观看的黄色网站，而這些不等式都是有關(guān)半正定矩陣的經(jīng)典的Oppenheim不等式的推廣。

The property of extended sub-positive definite matrix is studied further by means of the method of matrix analysis to obtain the lower estimated Oppenheim inequality of Hadamard multiplication determinant to two extended sub-positive definite matrices under more general conditions and improve the past in the adaptation range and estimated exactness.

用矩陣分析的方法福利在线你懂的，通過對廣義次正定矩陣性質(zhì)的進(jìn)一步研究人人人操人人爱，得到了更一般條件下的兩個廣義次正定矩陣的Hadamard乘積的行列式下界估計(jì)的Oppenheim不等式，在適用范圍和估計(jì)精度上都改進(jìn)了已有的相應(yīng)結(jié)果18黄色禁止网站。

Based on the definitions of generalized positive definite matrix , a further study of it is made in the present paper, and several new results are obtained as a consequence.

本文利用廣義正定矩陣的概念不卡日本黄色三级片，對其作進(jìn)一步的研究，并由此得出廣義正定矩陣的幾個新結(jié)果91视频聊天网最新网站。

In order to change the situation, this article is to give the definition of an axiomatic generalized real positive definite matrices and make analysis into some of the quality of generalized positive definite matrix under the new definition.

為改變這種現(xiàn)狀干操逼网站，本文給出一種公理性的廣義正定矩陣的定義，并對新意義下廣義正定矩陣的若干性質(zhì)進(jìn)行了分析和研究超碰国产人人洗澡人人操。

This paper discusses the ways in the problem of generalized characteristics in vibration to convert rigidity matrix or quality matrix into positive definite matrix when they are positive semi-definite matrix.

討論振動中的廣義特征問題的剛度矩陣或質(zhì)量矩陣為半正定陣時如何使其轉(zhuǎn)化為正定矩陣久久亚洲国产精。

In chapter one, we give the definition of the sub-generalized positive definite matrix,study the inverse problem of matix eqution AX = B on the sub-generalized positive definite matrix.

第一章，給出了次廣義正定矩陣的定義av无码中文字幕不一二三区，進(jìn)而研究了矩陣方程AX=B在次廣義正定矩陣類上的反問題解国内大量揄拍在线视频。

Gave the concept of generalized positive definite matrices for the first time in 1970, the scholars, after 39 years' tough research, have put forward many more generalized positive definite matrix and acquired huge achievement.

首次給出廣義正定矩陣的概念以來，學(xué)者們歷經(jīng)39年的艱苦研究歷程国产熟女一区另类，產(chǎn)生了許許多多更加廣義的正定矩陣AV人妻精品无码一区，獲得許多豐富的研究成果。

Based on quadratic PEk method, quadratic EPEk method is advanced and itsconvergences are discussed by the conditions of the symmetric positive definite and thepositive-definable Matrix.

基于二次PE_k方法的基礎(chǔ)之上欧美乱辈伦小说，文章提出了二次PE_k方法的外推迭代一二次EPE_k方法色区在线，并討論了其在對稱正定和可正定化條件下的收斂性。

A prerequisite for positive or negative quadratic form was presented and it was proved by use of definition.

本文給出了二次型正定的1個必要條件日韩乱伦一区二区，并對二次型正定91国在线播放、負(fù)定的必要條件給出了用定義證明的方法。