(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
Given an integer n, generate a square matrix filled with elements from 1 to n2 in spiral order.
For example,
Given n = 3,
You should return the following matrix:
[
[ 1, 2, 3 ],
[ 8, 9, 4 ],
[...
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其他好文 时间:
2014-11-19 16:05:08
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143
矩阵快速乘求概率,不难。但有注意的一点是,一定要注意地雷连着的情况,一旦出现两个雷相邻,就必定为0了。#include #include #include #include using namespace std;int pos[15];struct matrix{ double m[3][3];}...
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其他好文 时间:
2014-11-19 14:00:56
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145
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in spiral order.
For example,
Given the following matrix:
[
[ 1, 2, 3 ],
[ 4, 5, 6 ],
[ 7, 8, 9 ]
]
...
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其他好文 时间:
2014-11-19 12:42:43
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149
问题描述:
You are given an n x n 2D matrix representing an image.
Rotate the image by 90 degrees (clockwise).
Follow up:
Could you do this in-place?
基本思路:
此题要求矩阵顺时针转90度。可以找出元素选择规律:
i‘ = j;
j...
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其他好文 时间:
2014-11-19 11:26:21
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128
Maximal RectangleGiven a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.Show TagsHave yo...
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其他好文 时间:
2014-11-19 08:35:19
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207
25.Matrix PositionGiven an NxN matrix with unique integers :Find and print positions of all numbers such that it is the biggest in its row and also th...
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其他好文 时间:
2014-11-19 07:28:20
阅读次数:
216
问题描述:
You are given an n x n 2D matrix representing an image.
Rotate the image by 90 degrees (clockwise).
Follow up:
Could you do this in-place?
基本思路:
此题要求矩阵顺时针转90度。可以找出元素选择规律:
i‘ = j;
j...
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其他好文 时间:
2014-11-19 01:24:29
阅读次数:
154
有n个矩形,每个矩形可以用两个整数a,b描述,表示它的长和宽。矩形X(a,b)可以嵌套在矩形Y(c,d)中当且仅当 aconst int maxn = 1000;typedef struct rectangle{ int len; int wid;};int Matrix[maxn][maxn].....
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其他好文 时间:
2014-11-19 00:28:07
阅读次数:
252