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LeetCode Rotate Image
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? 题意:矩阵旋转。 思路:每次旋转的时候都一次性旋转4个数。 class Solution { publ...
分类:其他好文   时间:2015-03-08 15:44:42    阅读次数:110
1193 矩阵转置
/* 输入一个N*N的矩阵,将其转置后输出 */ # include int main(void) { int dim,matrix[100][100] = {0},temp = 0; while(scanf("%d", &dim) != EOF) { getchar(); //吸收回车符。 if(dim <= 0) break; int i,j; for(i =...
分类:其他好文   时间:2015-03-08 14:20:58    阅读次数:155
Spiral Matrix
Spiral Matrix问题:Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.思路: 矩阵螺旋访问模板我的代码:public class Soluti....
分类:其他好文   时间:2015-03-08 10:25:01    阅读次数:105
Spiral Matrix II
Spiral Matrix II问题:Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.思路: 矩阵的旋转常用模板我的代码:public class Solutio....
分类:其他好文   时间:2015-03-07 21:11:38    阅读次数:136
Rotate Image
Rotate Image问题:You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?思路: ...
分类:其他好文   时间:2015-03-07 20:00:00    阅读次数:113
leetcode------Spiral Matrix
标题:Spiral Matrix通过率:20.8%难度:中等Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the f...
分类:其他好文   时间:2015-03-07 17:07:14    阅读次数:108
leetcode------Rotate Image
标题:Rotate Image通过率:31.7%难度:中等You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this...
分类:其他好文   时间:2015-03-07 17:02:41    阅读次数:128
《R语言入门》矩阵元素定义及筛选
《R语言入门》目录: 如何在Windows下安装R语言编程环境矩阵元素定义及筛选 和向量一样,矩阵也可以做筛选。但是需要注意一下语法上的不同。下面是一个简单的例子: 以下代码用户定义一个矩阵元素变量“si”,ncol=3(三列),byrow = TRUE(数据按行输入) 使用“<-”小于号减号作为操作符si <- matrix(c(1, 1, 1, 2,...
分类:编程语言   时间:2015-03-07 15:47:34    阅读次数:118
【POJ2155】【二维树状数组】Matrix
DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. A[i, j] means the number in the i-th row and j-th column. Initially we have A[i, j...
分类:编程语言   时间:2015-03-07 13:40:34    阅读次数:157
Boltzmann机神经网络python实现
(python 3) 1 import numpy 2 from scipy import sparse as S 3 from matplotlib import pyplot as plt 4 from scipy.sparse.csr import csr_matrix 5 i...
分类:编程语言   时间:2015-03-07 06:12:08    阅读次数:497
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