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
阅读次数:
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
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);
...
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其他好文 时间:
2014-11-19 11:19:53
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135
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...
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其他好文 时间:
2014-11-19 08:33:46
阅读次数:
179
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...
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其他好文 时间:
2014-11-19 01:52:17
阅读次数:
141
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 01:23:03
阅读次数:
136