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[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.4.1
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...
分类:其他好文   时间:2014-11-19 18:28:24    阅读次数:183
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.4.6
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...
分类:其他好文   时间:2014-11-19 18:20:50    阅读次数:142
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.4.4
(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...
分类:其他好文   时间:2014-11-19 18:05:06    阅读次数:326
[Bhatia.Matrix Analysis.Solutions to Exercises and Problems]ExI.4.5
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...
分类:其他好文   时间:2014-11-19 17:55:24    阅读次数:191
LeetCode - Populating Next Right Pointers in Each Node
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 * .....
分类:其他好文   时间:2014-11-19 12:13:56    阅读次数:154
LeetCode——Anagrams
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...
分类:其他好文   时间:2014-11-19 11:24:01    阅读次数:170
LeetCode——Pow(x, n)
Implement pow(x, n). 原题链接:https://oj.leetcode.com/problems/powx-n/ public double pow(double x, int n) { if(n== 0) return 1; if(n == 1) return x; if(n % 2 ==0) return pow(x*x,n/2); ...
分类:其他好文   时间:2014-11-19 11:19:53    阅读次数:135
Binary Tree Level Order Traversal
https://oj.leetcode.com/problems/binary-tree-level-order-traversal/ Given a binary tree, return the level order traversal of its nodes' values. (ie, f...
分类:其他好文   时间:2014-11-19 08:33:46    阅读次数:179
LeetCode——Multiply Strings
Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-negative. 原题链接:https://oj.leetcode.com/problems...
分类:其他好文   时间:2014-11-19 01:52:17    阅读次数:141
LeetCode——Anagrams
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...
分类:其他好文   时间:2014-11-19 01:23:03    阅读次数:136
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