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[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.6
Let $A$ be a nilpotent operator. Show how to obtain, from aJordan basis for $A$, aJordan basis of $\wedge^2A$.
分类:其他好文   时间:2014-11-21 10:37:06    阅读次数:160
MyTestBlog
Multivariable normal distribution is a positive definite matrix. We can get (assume) Where
分类:其他好文   时间:2014-11-21 10:34:59    阅读次数:157
MyTestBlog
Multivariable normal distribution is a positive definite matrix. We can get (assume) Where
分类:其他好文   时间:2014-11-21 10:31:19    阅读次数:209
Rotate Image
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?C++实现代码:#include#in...
分类:其他好文   时间:2014-11-21 10:28:47    阅读次数:294
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.3
Let $\scrM$ be a $p$-dimensional subspace of $\scrH$ and $\scrN$ its orthogonal complement. Choosing $j$ vectors from $\scrM$ and $k-j$ vectors from $...
分类:其他好文   时间:2014-11-21 10:24:43    阅读次数:159
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.4
If $\dim \scrH=3$, then $\dim \otimes^3\scrH =27$, $\dim \wedge^3\scrH =1$ and $\dim \vee^3\scrH =10$. In terms of an orthonormal basis of $\scrH$, wr...
分类:其他好文   时间:2014-11-21 10:24:21    阅读次数:121
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.7
Prove that for any vectors $$\bex u_1,\cdots,u_k,\quad v_1,\cdots,v_k, \eex$$ we have $$\bex |\det(\sef{u_i,v_j})|^2 \leq \det\sex{\sef{u_i,u_j}}\cdot...
分类:其他好文   时间:2014-11-21 10:21:56    阅读次数:155
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.5
Show that the inner product $$\bex \sef{x_1\vee \cdots \vee x_k,y_1\vee \cdots\vee y_k} \eex$$ is equal to the permanent of the $k\times k$ matrix $\s...
分类:其他好文   时间:2014-11-21 10:20:49    阅读次数:259
Spiral Matrix
ProblemGiven aNXN matrix, starting from the upper right corner of the matrix start printingvalues in a counter-clockwise fashion. E.g.: Consider N = 4...
分类:其他好文   时间:2014-11-21 10:20:38    阅读次数:179
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.5.2
The elementary tensors $x\otimes \cdots \otimes x$, with all factors equal, are all in the subspace $\vee^k\scrH$. Do they span it?
分类:其他好文   时间:2014-11-21 10:18:30    阅读次数:134
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