The elementary tensors $x\otimes \cdots \otimes x$, with all factors equal, are all in the subspace $\vee^k\scrH$. Do they span it?
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其他好文 时间：
2014-11-21 10:18:30
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134
Show that the inner product $$\bex \sef{x_1\wedge \cdots \wedge x_k,y_1\wedge \cdots\wedge y_k} \eex$$ is equal to the determinant of the $k\times k$ ...
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其他好文 时间：
2014-11-21 09:09:37
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225
From:http://machinelearningmastery.com/practical-machine-learning-problems/Practical Machine Learning ProblemsWhat is Machine Learning? We can readaut...
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其他好文 时间：
2014-11-20 20:11:17
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394
类似的问题还有： why can't class template use Handle Class Pattern to hide its implementation? || why there are linker problems (undefined reference) to my cl...
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编程语言 时间：
2014-11-19 20:18:49
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526
Let $x,y,z$ be linearly independent vectors in $\scrH$. Find a necessary and sufficient condition that a vector $w$ mush satisfy in order that the bil...
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其他好文 时间：
2014-11-19 18:28:24
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183
Let $A$ and $B$ be two matrices (not necessarily of the same size). Relative to the lexicographically ordered basis on the space of tensors, the matri...
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其他好文 时间：
2014-11-19 18:20:50
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142
(1). There is a natural isomorphism between the spaces $\scrH\otimes \scrH^*$ and $\scrL(\scrH,\scrK)$ in which the elementary tensor $k\otimes h^*$co...
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其他好文 时间：
2014-11-19 18:05:06
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326
Suppose it is known that $\scrM$ is an invariant subspace for $A$. What invariant subspaces for $A\otimes A$ can be obtained from this information alo...
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其他好文 时间：
2014-11-19 17:55:24
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191
题目https://oj.leetcode.com/problems/populating-next-right-pointers-in-each-node/对每个节点递归。 1 /** 2 * Definition for binary tree with next pointer. 3 * .....
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其他好文 时间：
2014-11-19 12:13:56
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154
Given an array of strings, return all groups of strings that are anagrams.
Note: All inputs will be in lower-case.
原题链接：https://oj.leetcode.com/problems/anagrams/
易位构词游戏的英文词汇是 anagram，这个词来源于有...
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其他好文 时间：
2014-11-19 11:24:01
阅读次数：
170
