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UVa 294 Divisors
方法:数论 暴力 一个正整数n的因子个数d(n) 在number theory 是一个multiplicative function,有公式。利用素数筛选先求出 sqrt(1e9)内的素数,然后对范围内每一个数求解d(n), 去最大的即可。 code: 由于范围比较小(1e4), 据说不预处理素数, ...
分类:其他好文   时间:2017-01-30 10:42:07    阅读次数:301
OpenCV training program, part 1: Official OpenCV Tutorial in C++
Mainpage OpenCV 2.4.13.0 documentation: OpenCV Tutorials (c++) Theory Note: The explanation below belongs to the book Computer Vision: Algorithms and ...
分类:编程语言   时间:2017-01-26 09:49:39    阅读次数:205
EM and GMM(Code)
In EM and GMM(Theory), I have introduced the theory of em algorithm for gmm. Now lets practice it in matlab! 1. Generate 1000 pieces of random 2-dimen ...
分类:其他好文   时间:2017-01-25 17:28:24    阅读次数:254
understand EntityManager.joinTransaction()
1.示例 2.解析 First, a few words of theory... An application-managed entity manager participates in a JTA transaction in one of two ways. 1. If the persis ...
分类:其他好文   时间:2017-01-23 15:35:17    阅读次数:242
portfolio theory
赚多少钱、赚多长时间、有多大的风险 投资决策者要考虑的两个因素:收益+风险 1.1 收益与期望收益率 1.1.1持有期收益率 hloding period return(HPR) 概念 the total return on a asset or portfolio over a period du ...
分类:其他好文   时间:2017-01-22 16:42:11    阅读次数:160
【Heap-dijkstra】Gym - 100923B - Por Costel and the Algorithm
algoritm.in / algoritm.out Even though he isn't a student of computer science, Por Costel the pig has started to study Graph Theory. Today he's learni ...
分类:其他好文   时间:2017-01-22 07:56:39    阅读次数:304
当你编码时你在做什么:谈编程的本质(一)状态机
当你编码时你在做什么:谈编程的本质(一)状态机1.State Machine这学期学习了两门有意思的课,Theory of Computation和Distributed System,一低一高完全两...
分类:其他好文   时间:2017-01-19 10:29:41    阅读次数:231
博客总览
形式化 寒假任务: 《Learning Markov Decision for ModelChecking》 《Approximate Probablistic Model Checking for Programs》 《Towards a Theory for Cyber-Physical Sys ...
分类:其他好文   时间:2017-01-16 22:34:35    阅读次数:262
HDU2824--The Euler function(欧拉函数)
Problem Description The Euler function phi is an important kind of function in number theory, (n) represents the amount of the numbers which are small... ...
分类:其他好文   时间:2017-01-14 19:03:10    阅读次数:219
图像预处理(Evision)
Convolution //采用线性过滤Linear combination of neighboring pixels using a convolution kernel?Pre-defined filters for?Edge detection //功能Laplacian, Gradient ...
分类:其他好文   时间:2017-01-11 11:59:25    阅读次数:208
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