Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.参考:http://xpentium.blog.163.com/b...
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其他好文 时间:
2014-11-29 17:32:47
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168
“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。第1章课程讲义下载(PDF)SummaryMatrix A matrix is a rectangular array...
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其他好文 时间:
2014-11-28 22:34:19
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269
You are given annxn2D matrix representing an image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this in-place?Hide TagsArray 一题严....
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其他好文 时间:
2014-11-28 16:00:34
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128
ExplanationCreate a visualization window.Get camera pose from camera position, camera focal point and y direction.Obtain transform matrix knowing the ...
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其他好文 时间:
2014-11-28 15:53:14
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217
Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties:Integers in each row are sorted from l...
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其他好文 时间:
2014-11-28 15:48:59
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141
基本概念透视(Perspective)变换(Transformation)投影矩阵(Projection Matrix):用于将3D坐标转换为2D屏幕坐标光栅化(Rasterization): 实际绘制或填充每个顶点之间的像素形成线段着色器(Shader)是在图形硬件上执行的单独程序,用来处理顶点和...
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其他好文 时间:
2014-11-28 14:11:07
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256
Matrix
Time Limit: 3000MS
Memory Limit: 65536K
Total Submissions: 19113
Accepted: 7193
Description
Given an N*N matrix A, whose elements are either 0 or 1. A[i, j] me...
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编程语言 时间:
2014-11-28 10:25:34
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168
首先看看矩阵中.A操作的结果 1 >>> a=mat([[1,2,3],[2,3,0]]); 2 >>> a 3 matrix([[1, 2, 3], 4 [2, 3, 0]]) 5 >>> a.A 6 array([[1, 2, 3], 7 [2, 3, 0]]) 8...
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编程语言 时间:
2014-11-27 23:36:51
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934
1 >>> a=mat([[1],[2],[3]]); 2 >>> b=mat([[0],[2],[3]]); 3 >>> a 4 matrix([[1], 5 [2], 6 [3]]) 7 >>> b 8 matrix([[0], 9 [2],10...
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编程语言 时间:
2014-11-27 18:03:41
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1525
二维码的定义:二维码 (2-dimensional bar code),是用某种特定的几何图形按一定规律在平面(二维方向上)分布的黑白相间的图形记录数据符号信息的。在许多种类的二维条码中,常用的码制有:Data Matrix, Maxi Code, Aztec, QR Code, Vericode,...
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移动开发 时间:
2014-11-27 15:48:07
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279