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C++ Error: no appropriate default constructor available
我定义了一个结构体,然后初始化它,结果编译报错no appropriate default constructor available代码如下:struct matrixXvect_func{ thrust::host_vector& matrix; thrust::host_vector& vec...
分类:移动开发   时间:2014-12-05 21:04:41    阅读次数:164
A.Kaw矩阵代数初步学习笔记 4. Unary Matrix Operations
“矩阵代数初步”(Introduction to MATRIX ALGEBRA)课程由Prof. A.K.Kaw(University of South Florida)设计并讲授。PDF格式学习笔记下载(Academia.edu)第4章课程讲义下载(PDF)Summary TransposeLet...
分类:其他好文   时间:2014-12-05 07:05:05    阅读次数:264
POJ 2155 Matrix 二维树状数组
MatrixTime Limit: 3000MSMemory Limit: 65536KTotal Submissions: 19174Accepted: 7207DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. ...
分类:编程语言   时间:2014-12-05 01:56:06    阅读次数:275
LeetCode[Array]: 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? 参考LeetCode[Array]: Spiral Matrix II的迭代思路,先完成最外环的旋转,然后...
分类:其他好文   时间:2014-12-04 21:43:42    阅读次数:282
scipy csc csr到底是什么东西
哎,真尼玛,网上关于scipy 和 theano的 sparse matrix中的 csc matrix 和 csr matrix太少了,有,也只是使用,并没有说明,那个矩阵是怎么生成的。参考例子: >>> data = np.asarray([7, 8, 9]) >>> indices = np.asarray([0, 1, 2]) >>> indptr = np.asarray([0, 2,...
分类:其他好文   时间:2014-12-04 21:39:59    阅读次数:291
Python中怎样使用shape计算矩阵的行和列
1 >>> a=mat([[1,2,3],[5,6,9]]);2 >>> a3 matrix([[1, 2, 3],4 [5, 6, 9]])5 >>> shape(a)[0]6 27 >>> shape(a)[1]8 3如上面的a矩阵,2行3列;计算行使用shape(a)[0];计...
分类:编程语言   时间:2014-12-04 17:18:47    阅读次数:217
LeetCode[Array]: 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 ], [ 7...
分类:其他好文   时间:2014-12-04 14:00:17    阅读次数:174
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
分类:其他好文   时间:2014-12-04 13:56:40    阅读次数:151
LeetCode[Array]: 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 ] ] You ...
分类:其他好文   时间:2014-12-04 08:51:39    阅读次数:148
Maximal Rectangle
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.public class Solution { public...
分类:其他好文   时间:2014-12-03 22:43:28    阅读次数:191
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