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[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——Spiral Matrix II
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 ], [...
分类:其他好文   时间:2014-11-19 16:05:08    阅读次数:143
POJ 3744
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];}...
分类:其他好文   时间:2014-11-19 14:00:56    阅读次数:145
LeetCode——Spiral Matrix
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 ] ] ...
分类:其他好文   时间:2014-11-19 12:42:43    阅读次数:149
[leetcode]Rotate Image
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...
分类:其他好文   时间:2014-11-19 11:26:21    阅读次数:128
LeetCode: Maximal Rectangle 解题报告
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...
分类:其他好文   时间:2014-11-19 08:35:19    阅读次数:207
Cipe Coding Summary Part2
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...
分类:其他好文   时间:2014-11-19 07:28:20    阅读次数:216
[leetcode]Rotate Image
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...
分类:其他好文   时间:2014-11-19 01:24:29    阅读次数:154
DAG模型:嵌套矩形
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].....
分类:其他好文   时间:2014-11-19 00:28:07    阅读次数:252
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