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...
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移动开发 时间:
2014-12-05 21:04:41
阅读次数:
164
“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...
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其他好文 时间:
2014-12-05 07:05:05
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264
MatrixTime Limit: 3000MSMemory Limit: 65536KTotal Submissions: 19174Accepted: 7207DescriptionGiven an N*N matrix A, whose elements are either 0 or 1. ...
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编程语言 时间:
2014-12-05 01:56:06
阅读次数:
275
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...
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其他好文 时间:
2014-12-04 21:43:42
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282
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,...
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其他好文 时间:
2014-12-04 21:39:59
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291
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...
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编程语言 时间:
2014-12-04 17:18:47
阅读次数:
217
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...
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其他好文 时间:
2014-12-04 14:00:17
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174
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ],...
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其他好文 时间:
2014-12-04 13:56:40
阅读次数:
151
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 ...
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其他好文 时间:
2014-12-04 08:51:39
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148
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...
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其他好文 时间:
2014-12-03 22:43:28
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191