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[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.2.5
Show that matrices with distinct eigenvalues are dense in the space of all $n\times n$ matrices. (Use the Schur triangularisation)
分类:其他好文   时间:2014-11-18 13:12:08    阅读次数:174
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.2.3
(1). Let $\sed{A_\al}$ be a family of mutually commuting operators. Then, there exists a common Schur basis for $\sed{A_\al}$. In other words, there e...
分类:其他好文   时间:2014-11-18 13:08:29    阅读次数:168
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.2.1
For fixed basis of in $\scrH$ and $\scrK$, the matrix $A^*$ is the conjugate transpose of the matrix of $A$.
分类:其他好文   时间:2014-11-18 13:08:12    阅读次数:195
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.2.6
If $\sen{A}<1$, then $I-A$ is invertible, and $$\bex (I-A)^{-1}=I+A+A^2+\cdots, \eex$$ aa convergent power series. This is called the Neumann series.
分类:其他好文   时间:2014-11-18 13:07:47    阅读次数:151
井间数据polarization analysis 相关概念
1. 垂直分量上记录到的数据,无法记录SH波?这个有待考证,先记录于此~2.VSP的观测方式目前主要有零井源距(零偏)、非零井源距(非零偏)(http://www.wutan.cn/html/zhishiku/diqiuwuli/diqiutance/200903/09-5834.html);所以零...
分类:其他好文   时间:2014-11-17 22:29:00    阅读次数:208
Android 4.4 KitKat NotificationManagerService使用详解与原理分析(二)__原理分析
在上一篇文章《Android 4.4 KitKat NotificationManagerService使用详解与原理分析(一)__使用详解》中详细介绍了NotificationListenerService的使用方法,以及在使用过程中遇到的问题和规避方案。本文主要分析NotificationListenerService实现原理,以及详细分析在上一篇文章中提到的相关问题和产生的根本原因。...
分类:移动开发   时间:2014-11-17 21:18:56    阅读次数:164
Leetcode-Sqrt(x)
Implement int sqrt(int x).Compute and return the square root of x.Analysis:Using binary search to find the solution. However, what need to be consider...
分类:其他好文   时间:2014-11-17 01:40:04    阅读次数:205
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.1.1
Given any $k$-tupel of linearly independent vectors $X$ as above, there exists a $k$-tuple $Y$ biorthognal to it. If $k=n$, this $Y$ is unique. \eex$$...
分类:其他好文   时间:2014-11-16 12:02:08    阅读次数:151
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]Contents
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.1.3Use the QR decomposition to prove Hadamard's inequality: if $X=(x_1,\cdots,x_n)$, t...
分类:其他好文   时间:2014-11-16 11:58:53    阅读次数:153
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.1.2
Let $X$ be nay basis of $\scrH$ and let $Y$ be the basis biorthogonal to it. Using matrix multiplication, $X$ gives a linear transformation from $\bbC...
分类:其他好文   时间:2014-11-16 11:53:20    阅读次数:169
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